Vintage Radio Antenna Ground
Shop, read reviews, or ask questions about VHF Antennas at the official West Marine online store. 57] as specified in 810. 5" x 1" height. A good ground connection is every bit as important as a good antenna in do-it-yourself radio electronics. The ground plane provides a "reference" for the antenna to operate. Interesting since i used a 1/2 wave i built mounted in the same spot and talked to a station in st. Using a large gauge copper wire that is securely connected to a copper rod driven into the ground is the most efficient method of grounding an antenna. In radio frequency (RF) terminology, the Very High Frequency (VHF) range is the signal spectrum from 30 to 300 megahertz (MHz). Amateur radio transmitting and receiving equipment, including HAM radio equipment (a noncommercial [amateur] communications system). ANSWER: A horizontal dipole placed between 1/10 and 1/4 wavelength above the ground. REPRODUCTION GRAPHICS. Re: car radio antenna for home use? Somewhat related, can anyone tell me of a good AM antenna design that will work with the typical modern AV receiver? The connection is two wires, AM and ground. The wire should be stretched out, not rolled up. The radio on the right I am keeping for my own collection. You'll want to make sure the other end of the wire does not contact any metal surfaces or voltage sources. A basic antenna setup for such a station is to use a dualband VHF/UHF antenna to cover 2m and 70cm, along with a multi-band HF antenna. " I have read a few threads on here which are a little disturbing. The Antenna Calculator for Half-Wave Dipoles. Values for antenna height above average terrain (commonly abbreviated "HAAT") can be calculated using this form. AM Ground System Correction Factors Ground Conductivity in the USA (M3 Map) Groundwave Field Strength Graphs (Section 73. The radiating portion of your antenna needs to see a mirror image of itself before it will send out your SSB signal. Vintage Car Radio Antenna 3 section WARD NEW stain. The radiation pattern of a vertical dipole is a 360 degree pattern around the main radiator. What will help? Increase the standoff distance (vertical, horizontal or both) between your antenna and what you are interfering with. On the roof is best if you can get up there. A car radio and antenna never seams to work like they did in the car. These true full size 5/8 wave, 10/12 meter Hy-Gain SPT-500 Vertical Antennas were a legend in the '70s--now they're back to claim that status once again! Find Hy-Gain SPT-500 Super Penetrator HF Vertical Antennas SPT-500 and get Free Standard Shipping on orders over $99 at DX Engineering!. As a Right Channel Radios customer, you have access to step-by-step video and written guides on how to do this -- make sure to use them! Ground Your Antenna Mount. The best way to create a good ground connection is to use a metal cold water pipe. Great question I receive is how to split the signal from the antenna for two or more radios to use. There is a histogram from Radio and Hobbies that shows the common faults in 1959. Other radios set up to accept loop antenna's, connect both leads. The coaxial cable that comes from the antenna also needs to be bonded to the GES. Follow these simple plans to build a multiband shortwave antenna and be on your way to world band radio excitement!. This is accomplished by using a ground block located as close as possible to where the coaxial cable enters the building. Hofeld is the founder of Antique Radio Store, a 700-square-foot shop sandwiched between a coffee shop and a health food store in downtown La Mesa. Each radial is evenly spaced (90 degrees apart from each other) around the vertical element. The double-matching also provides a DC path to ground to drain off precipitation static, giving an extremely low noise antenna capable of high power. I did see the kit had an lighting arrester. Antique Radio is all about the radios of the past, the early days, the radios our parents and grandparents listened to,. Antenna patterns are seriously affected by the antennas surrounds, mounting position and ground plane effects. Using an outside antenna con-. 184) Method of Moments for AM Directional antenna proofs (filing fee) Renewal of License for Radio Broadcast Stations Public Participation in the License Renewal Process Sampling Systems - Criteria for Approval. The Boomer is an aluminum Ground Plane Radial Kit for the Antron 99, Shakespear Big Stick, and other fiberglass base antennas. BUILD A SHORTWAVE ANTENNA "The Search For The Perfect Shortwave Antenna" by N4UJW Webmaster Hamuniverse. HF Ham Radio Antennas For Apartments. CB Magazine January 1975 Page 43. Because there are so many options regarding mounting styles and antenna sizes, it is extremely rare to see an antenna included with a mobile radio. Ahh, the good old quarter wave ground plane! This calculator can be used to design a Quarter Wave Ground Plane antenna, with radials. Click button drop-down to lock your search to specific years or catalogs. Post navigation ← Dennis approves of the Hermitshell Case for CC Skywave radios Covert shortwave transmitters smuggled into trial of Bruno Richard Hauptmann →. RadioWavz MBITR antenna coax extension cable can be extremely useful for communicators and JTAC’s that require optimum communications on air to ground and ground to ground nets with the same radio. Knowing how to ground or earth an antenna system can be a key factor in the operation of some antennas. How to Use Your Home Wiring as a TV or Radio Antenna. We offer thousands of products and we represent many well known brands. If you're using a handheld with the standard "rubber ducky" antenna, you can build an antenna that will increase the range of your handheld. See more ideas about Ham radio, Antique radio and Ham radio antenna. The ground block then is connected to the GES using 14 AWG or larger with as short of a run as possible, and again with minimal bends. Here's my two cents worth on antenna types, and how to match ground planes to the an-tenna on fabric-covered airplanes. How important is that skinny metal antenna mounted on the outside of your tractor cab. Dipoles are balanced antennas and require no "grounding". Aircraft Spruce supplies components for a wide variety of homebuilt aircraft and discount pilot supplies. These wires are for connecting an antenna and ground. This pipe then would have to be underground at least 3 feet to be effective. Crystal Radio Engineering Antenna and Ground System 1 by Kenneth A. Weight – 6 lbs. If a radio's antenna is broken, use the following steps to make a simple new antenna out of household. • We build towers from 10 to 100 feet tall. I'm new to this and am in need of guidance. An aircraft uses a range of radio frequencies to navigate to its destination and communicate with air traffic control. You might try using Radio Shack part number 21-977, which is a 4-foot no-ground-plane fiberglass antenna. We offer thousands of products and we represent many well known brands. Saved to the end, Christian completes the power wiring harness to the Motor 3 radio unit, which includes constant 12 volts (yellow), ignition/acc (red), ground (black), power antenna (blue), and. Both the safety ground and the neutral serve all the houses in the neighbourhood. You searched for: radio antenna! Etsy is the home to thousands of handmade, vintage, and one-of-a-kind products and gifts related to your search. Triodes do not develop a lot of gain because of their high grid-plate capacitance, so a good antenna system is required. On 15 meters, this length is almost exactly 1/4 wavelength. Smith Charts and Impedance Matching. This website is intended to be a source of knowledge for learning about and understanding antennas. Aeriola Senior One Tube Radio set up This is a good working Westinghouse Aeriola Sr. Collecting antique radios has become increasingly popular among people all over the world in the past 30 years. The National Electrical Code covers the aspects. What happens to all those electrons, you ask. The antenna comes with 80" of antenna cable and power wire and connect to the power antenna lead or blue, REM wire on your radio's harness. It uses the 12V power from the radio that is designed to raise and lower the power antenna of your vehicle as the source to power this little black box antenna. GRC - Ground Radio Communication. Modern Sound For Your Classic. These radios have great reception and wonderful sound. Rain Gutter Antenna with SG-230 : 41 Countries in 5 Hours with 100 Watts into a Rain Gutter! by Jack Ciaccia, WMØG. Low-gain Yagi antenna 4. What is the best way to ground my Clearstream4 antenna? Should I use coax cable with an integrated separate ground wire, or run. The best ground for such a purpose will be a earth ground near the antenna and far from utility lines. I know that I have left out some manufactures, but you get the idea. But I want to mount the variable cap in a box that's placed next to the TX-8011 receiver. The Horizontal Loop, also known as the Loop Skywire Antenna, is an old but very effective design. antenna filter from Radio Shack on the antenna lead behind the radio power filter (also RS) behind the radio additional radio chassis ground from the back of the radio to the chassis on the left side of the passenger footwell; this is just a wire, two lock washers and two screws. Rule of thumb: at least a half-wavelength above ground. Grounding of MiniWhip and other active whip antennas Pieter-Tjerk de Boer, PA3FWM [email protected] Unfollow vintage radio antenna to stop getting updates on your eBay Feed. VOLTAGE CONVERTER - ET-207 Installing a NEGATIVE EARTH RADIO in a POSITIVE EARTH CAR (or vice versa) This is one of those Gee Whiz tricks that can impress people if you get it right (which is actually pretty easy), or can burn your car down to the ground if you get it wrong (which is also pretty easy). Nice project! In the past, I used old whip antennas which came from old disassembled portable radios. Experimental Determination of Ground System Performance for HF Verticals Part 4 How Many Radials Does My Vertical Really Need? 1Notes appear on page 42. Talley stocks a wide variety of infrastructure products. Ground plane Sure Cross. The best way to create a good ground connection is to use a metal cold water pipe. Need a CB radio base antenna for your home or dispatch center? You’ve come to the right place. The wiring in your home can act as a giant antenna and pick up. These test need to be made with the coax disconnected from the antenna mount or the radio. All antennas are already pre-tuned (cut) for application. Vintage 1928-1929. Antenna Systems for your Antique Radio. Under no circumstances should a polarized plug be defeated. This is accomplished by using a ground block located as close as possible to where the coaxial cable enters the building. com or leave a comment below this post. Setup is simple and only requires the capability to ensure that the antenna is 35 feet in the air or higher, a lower height than many other high-frequency ham radio antennas require. American Radio Supply. The antenna will produce the appropriate voltage difference at the input side, and the receiver will see that voltage difference uncontaminated by external fields, according to the properties given above. When used in the airplane, the lit-tle "rubber ducky" antenna supplied with handheld radios works well when you are close to airport traffic. The radiation pattern of a vertical dipole is a 360 degree pattern around the main radiator. By Tech 833 For a long time, the Copper Forum Master and others, including myself, have wondered if there is really a performance advantage to all the giant coiled antennas parading up and down the highways. Element Length 7 ft. Amateur Radio Station Grounding RCC Mar 2007 - Lane Giard, N7ZXP This article comes from Don Young, N7DY, which was in The Wenatchee Radio Club News letter. All radios need some sort of antenna to pick up radio signals that will be transformed into audio. The tuning dials are National "Velvet" verniers. The real trick to good AM reception is to tune the radio to the antenna. Use thick, audio-system-quality ground wire, and connect it to a heavy, unpainted metal chassis component -- preferably the frame. The Isotron Antenna. 12vdc with positive or negative ground. Amateur Ham Radio Accessories Antennas, Communications Microphones & Mounting Bracket Hardware are available from Ken's Electronics, (Wholesale & Retail Electronic Parts) Kalamazoo, Michigan at reasonable prices. 506 results for vintage radio antenna Save vintage radio antenna to get e-mail alerts and updates on your eBay Feed. It all depends on the design of the antenna. Rule of thumb: at least a half-wavelength above ground. "No Ground Plane" means the antenna does not have to be attached to a metal surface (such as a vehicle roof or larger body panel). Switches antenna between transmitter and receiver. In summary, for good balanced antennas such as dipoles, Yagis, and similar geometries, RF grounding should not be necessary. 1 meters); this length is very close to a quarter wavelength at 7 MHz. • We build towers from 10 to 100 feet tall. Welcome to. The tuning capacitor from the radio is connected to the large winding of the ferrite antenna. Use thick, audio-system-quality ground wire, and connect it to a heavy, unpainted metal chassis component -- preferably the frame. The ground terminal of the capacitor connects to the ground end and the terminal which originally connected to the resonating winding connects there again. Radio waves are polarized between the atmosphere and ground so it is the return path for the RF. SPT-500 is specifically designed to accept AM-FM-SSB-DSB signals with low loss. Assuming you placed your antenna outdoors, you may be lucky enough to find an outdoor water faucet near the end. Welcome to my online store! I specialize in capacitors & other parts for vintage radios. A commercially made car radio didn't exist at that time. There is a histogram from Radio and Hobbies that shows the common faults in 1959. Halliburton contracted with Clay's Radio Shop to make recommendations and set up a radio system in each of there 205 autos and trucks in their divisional fleet. The ground block then is connected to the GES using 14 AWG or larger with as short of a run as possible, and again with minimal bends. This is the loop aerial my dad built in 1958. Crystal Radio Engineering Antenna and Ground System 1 by Kenneth A. The automatic antenna tuner was an ICOM AT 130, and the ground system was a professionally. McMahon then came out with "Flick of the Switch" that chronicled radios from the 1930s up to the 1950s. The radiation pattern of a vertical dipole is a 360 degree pattern around the main radiator. depends upon the height of the antenna above the ground and whether or not the path is obstructed by terrain that will block radio signals. The Tech Bench Elmers Amateur Radio Society Club Station Callsign KF6GDJ. Ground Wire: (typical replacement radio wire color: Black) This wire completes the electric circuit that powers the radio and any other electric device. Sells High voltage components for vintage and Antique Electronic Restoration. How Do Antenna Signal Boosters Work? In order to understand how a signal booster works, it’s important to have a fundamental grasp of how your FM radio works. Performance will be poor. An RF ground system forms an integral part of the operation of a monopole antenna. This antenna sported a 19' 10" length radiator with 3 102" radials, as well as 3 small 8 inch "radials" at the top of the antenna to reduce static build-up. The more ground provided; particularly for lower frequency antennas, the better the antenna will perform. Above: This gutter antenna is connected via an upper roof-level downspout where no personal contact is possible. Antenna Systems for your Antique Radio. After connecting the indoor antenna to your radio, try moving the antenna anywhere its leadwire will allow for best reception. It has been used with antique radios and commercial communications receivers. The antenna will produce the appropriate voltage difference at the input side, and the receiver will see that voltage difference uncontaminated by external fields, according to the properties given above. The coaxial cable that comes from the antenna also needs to be connected to the GES. How to Build Several Easy Antennas for Amateur Radio. But I want to mount the variable cap in a box that's placed next to the TX-8011 receiver. Some say anything below 1/4 wave works. Now reach down and unplug the radio antenna from the radio. Vintage Radios for Classic Cars - restore a vintage automobile with a modern car stereo made to look like a vintage original radio. by Ted Benson (as published in Frendx 5/89) Most of us who grew up in the "nuclear ages" think of ground zero as the impact point of a nuclear warhead. Click button drop-down to lock your search to specific years or catalogs. Hofeld is the founder of Antique Radio Store, a 700-square-foot shop sandwiched between a coffee shop and a health food store in downtown La Mesa. Channel Master is a leader in over-the-air broadcast entertainment products & solutions, providing the highest quality and value for consumers since 1949. The 40 Meter Isotron Antenna. In most cases, a very inexpensive rooftop/attic antenna will outperform even the best indoor antenna. Connect the ground of the signal generator to the receiver chassis via another similar capacitor. Dummies guide to aircraft antennas Probably the single biggest issue that we encounter with the installation of our XCOM radios by customers in the field is poor antenna performance. Homemade 1/4 wave Ground Plane antenna for VHF-UHF. Ahh, the good old quarter wave ground plane! This calculator can be used to design a Quarter Wave Ground Plane antenna, with radials. Soil is a very effective absorber of RF energy at close range. However they were house radios that were powered by two bulky batteries. When you start transmitting at this frequency, your transmitter setup and antenna system will create an image of standing wave throughout the length of this wire. Lower antenna is more omnidirectional in azimuth, and good for. It uses the 12V power from the radio that is designed to raise and lower the power antenna of your vehicle as the source to power this little black box antenna. The MFJ-1890 is a lightweight aluminum antenna designed to operate in the 10 meter band and we had hoped that with a little messing around we could get it to tune to the 11 meter cb band. 6vdc with positive or negative ground. Best base antennas for base mobile fire and police radio scanner. These were great books that really helped antique radio collectors that were interested in manufacturing history and circuit types,they weren't price guides. Build this Crystal Radio A crystal radio is a radio that does not require a power source other than the energy contained in the signal being received. Interesting since i used a 1/2 wave i built mounted in the same spot and talked to a station in st. The 40 Meter Isotron Antenna. The antenna will produce the appropriate voltage difference at the input side, and the receiver will see that voltage difference uncontaminated by external fields, according to the properties given above. This won't actually result in an antenna system that covers all of the ham bands, but it can be a good start. Certain "classic" case styles have become collector's items and bring high prices at auctions and flea markets. The tuning capacitor from the radio is connected to the large winding of the ferrite antenna. So the actual height of the antenna will be the height above the roof. Ground at the antenna end will be whatever the antenna thinks it is, while ground at the receiver end will be whatever the receiver thinks it is. This is the loop aerial my dad built in 1958. Although this design has been around for a long time, it is only gaining popularity now due to the recent improvement in high power antenna tuners. The other half is a "reflection" in the ground. Below is a typical horizontal dipole VSWR return on an antenna designed for 14. 95663265306 meters, or 95. Back in the day, radios were AM only, and if you wanted to listen to your favorite programs you had to have an outside antenna. A standard SO-239 UHF connector is provided on the Outdoor Shortwave Antenna for this purpose. 1951-52 Chevrolet AM/FM Bluetooth ® Radio Fits all Chevrolet Styleline and Fleetline models _____ Use the pull down menu below to build the radio for your car. What is the best way to ground a fiberglass antenna? To explain my setup: I will be installing a gable antenna mount which has a 6 extender pole on my single story home. The Tecsun Shortwave and AM Outdoor Antenna is based on a longwire antenna design but provides significantly improved reception over a longwire because the the Tecsun Shortwave and AM Outdoor Antenna utilises a matching transformer that acts as a balun with a ratio of 10:1. G ROUND Radio is a subject which has remained on the periphery of engineering discussions for decades. How to Ground a CB Antenna Mount. vintage cb radio base station - Google Search. Sleeve Antenna - The sleeve antenna is used primarily as a receiving antenna. Our jpoles and groundplanes are intended for years of satisfactory ham radio antenna use on VHF and UHF frequencies, including the 2 meter, 6 meter, and 70 cm bands. Welcome to. A tuner is only suitable to two types of antenna viz. There are additional photos in the Photo Gallery in the OTR & RV album. Fabrication of structural steel. AM Ground System Correction Factors Ground Conductivity in the USA (M3 Map) Groundwave Field Strength Graphs (Section 73. The Easy Way to Ground a Radio; As a Master Electrician, I will relate an old saying, "when in doubt, ground. Antique Electronic Supply tubesandmore. A Dynamite Antenna for an AM Radio: I am probably not the only person who listens to AM radio, so this might come in handy for somebody else. by Ted Benson (as published in Frendx 5/89) Most of us who grew up in the "nuclear ages" think of ground zero as the impact point of a nuclear warhead. Two terrain databases are available here: the FCC's legacy 30-second terrain database, and the GLOBE 1 km Base Elevation database from the National Geophysical Data Center. Most customers are simply unaware that a poor antenna can affect their radio performance substantially and they mistakenly expect that. The transmitting antenna sends the radio signal into space toward the receiving antenna. Using a large gauge copper wire that is securely connected to a copper rod driven into the ground is the most efficient method of grounding an antenna. Back in the day, radios were AM only, and if you wanted to listen to your favorite programs you had to have an outside antenna. This is one of the many reasons high power FM radio station antennas are located on high towers. Ground plane Sure Cross. Well, they migrate into your radio and accumulate. Connector types. Antennas; Emergency Beacons and Safety; Entertainment Systems; Fixed Mount Radios; Hand Held Radios; Power Products; Discontinued; MARINE Accessories; Antennas; Emergency Beacons and Safety; Entertainment Systems; Fixed Mount Radios; Hand Held Radios; Navigation and Sonar; Power Products; Discontinued. An Easy Way to Install Ground Radials. GROUND PLANE The majority of antennas commercially produced require ground to operate efficiently. 01 SECTION INCLUDES A. Kits come with all the parts, including mounts, coax cables and bolts or nuts for easy installation. Amateur Ham Radio & Marine Radio Power Connectors. nonstopsystems. Try different lengths of antenna, and watch the current go up as the longer antennas catch more of the power from the radio station. I have an antenna that's well above the treeline, and I've heard I can add some small amount of protection by placing two bolt heads a short distance from each other, one connected to the antenna, the other connected to the ground rod. Turn off the radio and check the chassis to ground. MFJ-1890 10 Meter Moxon Antenna (Tested on 10 meters & 11 meters/CB Band) MFJ MOXON Quick Look From CBRADIOMAGAZINE. Browning Base CB Radios; Browning Mobile CB Radios; Channel Master Base CB Radios. Below is a typical horizontal dipole VSWR return on an antenna designed for 14. 00856 - Radio Antenna 00856 - Radio Antenna: Open Circuit 00856 - Radio Antenna: Short to Ground Possible Symptoms. Radio Shack "Archer #21-901 Ground Plane" Vintage Advertising. Grounding of MiniWhip and other active whip antennas Pieter-Tjerk de Boer, PA3FWM [email protected] This is also virtually identical to the "Colinear" antenna marketed by Radio Shack. IF the connector is made up properly the shielding will act as a conductor between the antenna base and the radio. The design looked right, but only by making one could I find out how good it was. • The ground plane can be the common ground for the radio and other circuits. Still another way is to block common mode waves by burying the cable. Use sandpaper to sand insulation off 1 inch of wire at the end of the extra wire dangling off your antenna, and from the free end of the wire connected to your ground rod. VINTAGE RADIO ANTENNA TIPS A GUIDE TO YOUR "SKYHOOK" Many people want to know a bit more about what is considered an appropriate outdoor and/or indoor antenna for their set than the brief notes in the other info sheet, "Healthy Radio Tips", so this little offering might clear things up a bit. Talley stocks a wide variety of infrastructure products. The term ground is slang for earth. There is the usual push-type, on-off switch, 2 speaker jacks, terminals for antenna and ground, and a jack for a loop antenna. Satellite antennas, which are often referred to as satel-lite dishes. Browning Base CB Radios; Browning Mobile CB Radios; Channel Master Base CB Radios. I haven't grounded it (at all) yet. A Magnetic Loop Antenna for Shortwave Listening (SWL) Now that we’re on the downward slope of sunspot cycle 23 (2004) you may have noticed that some of your favorite broadcast stations don’t come in as strong as they did a few years ago. Check out our Customer Reviews. Navigation, Interior - OEM Toyota Accessory # PT54633070AG. The antenna (not radio!) is primarily what determines how far your CB can send/receive - so invest wisely Longer antennas - and those mounted higher up - perform best To learn more, see our comprehensive guide on picking the right CB antenna. The leading manufacturer of replacement audio equipment for the restoration marketplace. However, placing the Ferrite Antenna near the center of the loop does enhance its performance and the Lazy Susan was something I had been using long ago to quickly re-orient the radio azmuth to accommodate the signal source. Some radio signals are very strong and will not require much of an antenna, but a larger antenna may be required to pick up weak radio signals. However, the radio is now over 50 years old, and age will affect many parts, so age effects will need to be corrected first. To measure AC voltage, clip the positive and negative leads to the secondary winding of the output transformer (the leads that go to the speaker voice-coil). B-Square Engineering. That works for the vast majority of radios from the late 1920's onward. The focus of all the. Most crystal sets are aimed at the long and medium wave bands because these use high power transmitters so enough energy can be extracted from the signal to operate the headset. Greatly boost reception! Simply tune the antenna and place the radio nearby for signal transfer to the radio's built-in barcore antenna element. The term ground is slang for earth. 57] as specified in 810. Buy Wilson, K40, Firestick Cb radio antennas and more. How to Check A Car-Radio's Antenna By Ray Hill a good electrical connection between the tip of the antenna and the radio pin. It comes a few optional parts, with instructions that enable to get maximum sensitivity, and selectivity with your particular antenna/ground situation. KCTIN CB Radios Antenna Dual-Band VHF/UHF (136-174, 400-470 Mhz) with PL-259 Connector and SMA-F Adaptor and 16FT Cable for YAESU ICO. The ground terminal of the capacitor connects to the ground end and the terminal which originally connected to the resonating winding connects there again. Antennas of the type commonly used with crystal sets are most effective when their length is close to a multiple of a quarter-wavelength of. 2 meter and 70 cm antennas are necessarily "short" and therefore won't pick up as much energy from a nearby strike as would, say, an 80 meter dipole. 7,For antique radios use the center lead wire of the cable only. Don't rely on the antenna ground. The ground wire is about 11 feet long. FOTS also covered vintage ham gear and had a write up on radio repair. FM1A has been our best selling antenna since 1997. Grounding will eliminate static electricity, as well as protect. These test need to be made with the coax disconnected from the antenna mount or the radio. Antenna Design. Using an outside antenna con-. There is a remote antenna switch mounted at the 90 foot level. CB World carries a variety of small CB radio antennas that pair well with a number of the small CB radios we carry. There is also an early photo of the WRVA Richmond staff and band in front of the original studio at the Edgeworth Tobbaco Company. The Boomer is an aluminum Ground Plane Radial Kit for the Antron 99, Shakespear Big Stick, and other fiberglass base antennas. I do have a SWR meter, and can tune in the factory antenna fine. Connect your scanner or handheld 2-way radio to an external antenna with this cable. Replace worn, kinked or frayed coax. We service antique car radios from the beginning of car radio to 1979. The radio is a Fairbanks Morse that my dad bought new in 1936, when he was a teenager. A car radio and antenna never seams to work like they did in the car. For tips on antenna mounting check out our guide here. The other half is a "reflection" in the ground. You’ll learn effective grounding and bonding techniques for home stations, including condos and apartments, portable and temporary. It provides the radio operator the opportunity to deploy an antenna suitable for most requirements. Wiring/Connectors from/to Radio Antenna faulty; Radio Antenna faulty; Possible Solutions. An aircraft uses a range of radio frequencies to navigate to its destination and communicate with air traffic control. I added a switch and some terminals to accommodate this need. You might try using Radio Shack part number 21-977, which is a 4-foot no-ground-plane fiberglass antenna. Common Mode RF Chokes For The Ham Radio HF Antenna. Rule of thumb: at least a half-wavelength above ground. Below is a vintage WBZ Westinghouse QSL card, and FFT display of the WBZ HD hybrid analog/digital AM signal. com - Antique Instruments, radios, telephones, microscopes, etc. My friend Antoine-K3DY worked some ZL's and VK's at sunrise on 80M CW using this antenna for receive. While B&O tuners and receivers are generally quite good, they rarely provide adequate results - or any reception at all - without some kind of an antenna. A ground plane has some interesting ‘angle of attack’ characteristics, especially on bands such as 10 meters. A suggestion from Leon Crampin: Radios such as the Bush DAC90A need to have the generator connected to the UF41 grid during alignment. Channel Master is a leader in over-the-air broadcast entertainment products & solutions, providing the highest quality and value for consumers since 1949. How to Build Several Easy Antennas for Amateur Radio. 2 meter and 70 cm antennas are necessarily "short" and therefore won't pick up as much energy from a nearby strike as would, say, an 80 meter dipole. AM Ground System Correction Factors Ground Conductivity in the USA (M3 Map) Groundwave Field Strength Graphs (Section 73. At this point it’s pretty crystal clear Fred Judd’s 2BCX Slim Jim antenna doesn’t offer anything special compared to a traditional J-pole antenna. Just bond them in and connect the coax cable, don't use a ground plane. These test need to be made with the coax disconnected from the antenna mount or the radio. Antenna element 2. This is accomplished by using a ground block located as close as possible to where the coaxial cable enters the building. The Beverage antenna is an example of an antenna that is typically installed within a few feet of the ground, but as a special case, it can also be installed directly on the surface — an arrangement called a "Beverage on Ground" or "BoG. CB Magazine January 1975 Page 43. Find low everyday prices and buy online for delivery or in-store pick-up. On flat ground, direct wave paths suitable for THFRS communications can be expected out to 6-8 miles before the curve of the earth blocks the signals. Firestik II FS CB Antenna. I stole this idea from another SWLing Post contributor and I hope he won't mind. Oh, it’s fine for FM — but shortwave antennas need to be at least fifty feet long to be useful! Oh no! I can’t put up some big, ugly antenna! All it takes is a very fine wire. TV and Radio Tower Grounding. antennas, antenna support structures (towers and masts) and the wiring and cabling that are used to connect them to radio equipment (figure 1). Your little portable shortwave radio has a useless antenna. The Sparton radio is a multi band set and the shortwave bands require a different antenna.