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Query: johnson
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A free online calculator for making all of the calculations required to design and build small transmitting loop antennas, also known as magnetic loops by 66pacific.com -
This is a hex beam designed for six meters. It has three elements with a turning radius of 54 inches. This antenna can be built from low cost materials available from the local hardware store. By WB3BEL -
Sams Photofact downloads - Schematics and Service Manuals for Radios, Amplifiers, More -
An experimental antenna similar to the TAK spiral antenna was evaluated for SWR response over the frequency range of 7.0 to 7.3 MHz, or the 40-meter band. -
Specialized, business and industrial radios -
Ham Radio T-Shirts, Caps, Mousepads, also vintage designs! Designs include logos from Amperex, Collins, Eico, Eimac, Gonset, Hallicrafters, Hammarlund, Heathkit, Johnson, Knight, Mars, National, Swan, Skywarn and others. -
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Online calculators for toroid coil, air-core coil inductance, XL, XC, and more. -
Antique Radio Schematics and Service Manuals for Tube Radios -
Build an effective dipole antenna that needs much less space by adding two loading coils. This online calculator tells you how. -
Use this online calculator to determine the length of a quarter-wave antenna from the frequency. Both metric and English units of measurement are supported. -
Use this online calculator to determine the length of a full-wave loop antenna from the frequency. Both metric and English units of measurement are supported. Quarter-wave matching section lengths are also calculated. -
Use this online calculator to determine the length of a dipole antenna from the frequency. Both metric and English units of measurement are supported. -
The JSCARC, located at NASA's Johnson Space Center, Houston, Texas, supports the U.S. Space Program and the International Space Station. -
EB5AGV / EC5AAU Boatanchor collection. Useful data on TV-testers, Collins, Drake, Hammarlund, Hallicrafters, National, Heathkit, EF Johnson. -
Located in Johnson City, Tennessee - Washington County EM86. -
The Brandon Amateur Radio Society serves the ham radio community in eastern Hillsborough County Florida. -
Sams Photofact download Schematics and Service Manuals, Originals and downloads. -
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An online calculator for designing and evaluating capacitors based on the capacitor's area, separation, number, and dielectric constant -
An online inductive reactance calculator, accepts as input Frequency and Inductance -
The amateur radio club serving Johnson County Tennessee and northeastern Tennessee and southwestern Virginia. Open to all licensed hams.