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713 links - and 10 categories

Vertical Radial Ground Systems - Tom, K1JJ on radial ground system applied to 160 m vertical array
[ Hits: 524 | Votes: 0 | Rating: 0 ]

Folded dipole antenna by N4SPP - A quarter size cobra dipole antenna, a multiband dipole antenna for 40 to 10 meters basedn on original cobra dipole design but with a limited space by N4SPP
[ Hits: 2623 | Votes: 1 | Rating: 8 ]

3MA triband mobile antenna - 3 band mobile antenna - 10m full size wave/4 whip - quick tilt-down system for 20 and 15 m loading coil change by IZ7DJR
[ Hits: 1410 | Votes: 0 | Rating: 0 ]

Measuring Antenna System SWR - Have you measured the SWR at the antenna?
[ Hits: 347 | Votes: 1 | Rating: 10 ]

G5RV Antenna Revisited - GR5V characteristics and construction details PDF file a three part PDF article including the ZS6BKW antenna variation
[ Hits: 3687 | Votes: 1 | Rating: 9 ]

AltE Store - Providers of solar panels, photovoltaic systems, Solar Cells and Solar Renewable systems and education for the Do-It-Yourselfer
[ Hits: 811 | Votes: 4 | Rating: 6 ]

ROLCON RF Systems - High quality VHF/UHF Yagi (directional) antennas
[ Hits: 1064 | Votes: 0 | Rating: 0 ]

US Communication antennas - UnderBumper diversity licence plate antenna system (front and rear license plates) become the antennas. Available in VHF, UHF, Dual Band and other frequencies. We also manufacture mobile antennas for HF VHF UHF wideband antennas
[ Hits: 580 | Votes: 0 | Rating: 0 ]

Response Microwave, Inc. - Microwave Signal Processing Components and Subsystems, from design to manufacturing.
[ Hits: 377 | Votes: 0 | Rating: 0 ]

Telepost - Digital Vector Wattmeters, Dummy loads, software defined panadapter systems, SteppIR Tuning Relay, Digital SWR meters, LP-Pan Pan Adapter IQ Decoder for SDR based panadapter system
[ Hits: 1285 | Votes: 1 | Rating: 1 ]

Doppler Systems - Radio Direction Finding products
[ Hits: 899 | Votes: 0 | Rating: 0 ]

marnic.org - F5VLB and EA4EOZ have designed a small but powerful system using satfinder and standard LNB to make radioastronomy. A step by step descritpion for the novice about radioastronomy, VLB and listening to echo of meteorite.
[ Hits: 471 | Votes: 0 | Rating: 0 ]

CAT for Kenwood TS-50 - CAT (Computer Aided Transmitter) system operations for the Kenwood TS-50
[ Hits: 3648 | Votes: 10 | Rating: 5.5 ]

Powering the FT-817 - Coupling the Duracell DR36 battery to the FT 817 The main advantages on this system are, the weight, size, quick battery changing and no stress to the FT 817 power connector
[ Hits: 1226 | Votes: 1 | Rating: 10 ]

MORCOM Int. - Aeronautical communications products, radio communications, weather systems
[ Hits: 270 | Votes: 2 | Rating: 10 ]

PstRotator - PstRotator handles just about every controllable rotator in common use: Prosistel, Green Heron, HyGain, RC1 MDS, Rotor-EZ Idiom Press, Yaesu Az and many more PstRotator includes automatic tracking for satellite or EME communications, using programs like WSJT, VQLog, TACLog, Z-Track, GJTracker, EME System, Trak_SM, WXtrack, WinOrbit, Orbitron, Nova for Windows, Sat_Explorer, SatPC32, Win-Test. PstRotator supports remote control over TCP/IP.
[ Hits: 4013 | Votes: 33 | Rating: 8.4 ]

Ham Fax - HamFax is an application for sending and receiving facsimiles in amateur radio and for receiving public facsimile broadcasts like weather maps. Supported interfaces are sound cards and the SCS-PTCII from Special Communication Systems.
[ Hits: 5628 | Votes: 6 | Rating: 6.67 ]

Elmer for iPhone - iPhone Software to practice taking your Ham Radio Exam
[ Hits: 859 | Votes: 1 | Rating: 1 ]

Earth Grounding Construction Materials - Article about types of materials that make the best earth grounding systems
[ Hits: 1308 | Votes: 0 | Rating: 0 ]

A Ham's Guide to RFI, Ferrites, Baluns, and Audio Interfacing - Understanding and solving RF interference problems using ferrite
[ Hits: 1370 | Votes: 5 | Rating: 9.4 ]