A Co-ax Trap Dipole For 40, 30 and 20 Meters – Or At Least That Was The Intention
Answers to common questions on antenna height. Best height for horizontal antennas and the optimal height for verticals.
Dipoles at the correct height are not only stealthy antennas, they work great
A hombrew QRP transceiver for 40 meter band with many pictures, circuit and sound recording of some QSOs made with this Rig consisting of 5 transistor and one chip.
One of the most important factor for DXers although many are not aware of this.
A RS-232 to DB9 CW Radio interface with schematic diagram to connect your pc running CT by K1EA or Writelog to your keyer.
A cheap and easy HDTV Yagi Antenna that also work well with the UHF low-power analog and translator stations
How to calculate range for a VHF antenna with a simple formula and how to increase VHF coverage.
MFJ-971 Portable Antenna Tuner Modifications adding a bypass switch and increasing inductance to tune on 1.8MHz
European dealer for Ham Amplifier, amateur radio RF power amplifier by Zhong Xing
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