gps antennas

AM Antennas  ^pop - The ultimate AM loop antenna article. It is the only article that includes the calculations and detailed plans

The W2PM Mini Diamond Receiving Flag - This description is taken from the Pete's W2PM posting into Topband reflector.

Joby's Rhombic Ranch - Rhombic antennas plans

43AX101 Ben Priority listing - Home page of 43AX101- Ben. Practical informative site for 11-meter operators DX-ing the South Pacific, DIY antennas,propagation & monitor updated daily.

RM Italy  ^{updated  pop} - RM is an Italian company operating in the radio communication field since 1974, main products are: HF-CB-VHF-UHF-Dual Band Amplifier, Power Supply, DC-DC Converters Antennas and more

SGC, Inc. - Manufacturer of HF transceivers, antenna couplers, antennas, RF Power amplifiers, portable antennas, speakers and other accessories for 28 years.

Mr coily - Base and mobile antennas,custom ball mounts, single, double, triple coil antennas, flat coils.

Spi-Ro Manufacturing Inc - Transmitting & receiving multi-band antennas covering 1.8 thru 55 Mhz.

International Antenna Corporation - Double bazooka antennas

MARS Antennas - MARS, Israel's Antenna and RF System manufacturer, flat antennas for cellular, military broadband, multiband MF high power antenna

Hy Gain  ^pop - HF UHF/VHFAntennas, dipoles, accessories and rotators

Nil-Jon Antennas - Performance Compact Antennas VHF/UHF mobile and base for ham, business, landmobile, police, fire, satellite, APRS, simplex, repeater, TV, FM, scanner or monitoring use.

T.G.M. Communications - MQ-1 four band HF beams 20,15,10,6 meters MQ-2 six band HF beams 20,17,15,12,10,6 meters, beam antennas and Hybrid Quad antennas

Wellbrook Communications - Broadband active loop antennas for radio amateurs and hobbyists

Palomar Engineers - RFI Kit, ferrite cores, baluns, loop antennas, antenna tuners and various accessories

Intek - CB radios, VHF transceivers, scanners antennas and accessories

Diamond Antenna  ^pop - Base station and repeater antennas, mobile antennas, ,multi-band HF antennas , handheld transceivers, receiving and scanner antennas, power meters, swr meters, power supplies, coaxial switches

Hidden Transmitter Hunting - Lots of information of hidding transmitters, building portable yagi antennas, s-meters, and much more

RDF projects - Antennas, attenuators, fox timers, controlers and transmitters

Visual UK Amateur Radio Repeater Map - A google map of the UK amateur radio repeaters with clickable information

B&W Antennas instructions - Antennas instructins and installations

Guide to scanning antennas - How to select an antenna for scanning

MacAPRS - Macintosh automatic position reporting system, developed by Bob Bruninga, WB4APR, to track boats and vehicles using GPS and packet radio. MacAPRS was written by Keith Sproul, WU2Z and Mark Sproul, KB2ICI

SA Watch - SA Watch allows you to monitor and analyze the wandering that your GPS receiver appears to do when it is at a fixed location

Field strenght meter - Simple to build with a very clear instruction set, useful to check the radiated power of your antennas