long range

50MHz long-yagi antenna - Design a 50MHz long-yagi antenna by PA3FGA

Tee Vertical Antenna for the 630M Band - The conventional configuration was an inverted-L arrangement with the vertical section going up about 13m and then a horizontal top-load wire extending about 8m, the end of which was supported by a tree at about 10m.

A NoTuner Antenna - SM5JAB anotenna made with a dummy load and a long wire.

Long wire and Un-Un - Testing log wire antennas and a unun by G0KYA

W2ENY - Radio Accessories - Handcrafted Accessories for the shack by W2ENY includes Full range headphones with a mic, computer interfaces, mic ptt adapters

Longwave DXing - Longwave refers to all frequencies below the lower end of the AM broadcasting band at 540 kHz

A long wave receiving system - A long wave receiving system using FFT software Spectrum Lab

Longwave Overview - Longwave operations in Germany by DF0WD/DL4YHF

Longwave Information - DK8KW Longwave Information Slow-Voice, Transmitting compressed analog Audio Signals on LF

Longwave Station - DF0WD DL4YHF Longwave Station include a linear transverter and antenna tuner

The Longwave Club of America - Lowfers are folks who experiment with radio communications at unusually low frequencies.

Inside The Icom AH-4 Antenna Coupler - The AH-4 is an antenna coupler/tuner designed for long wire or whip type antennas.

Homebrew longwire antenna launcher - Construct an antenna launcher

PIC controlled CW BPSK beacon transmitter - A description of a simple Lowfer beacon transmitter.

Diigital AC Voltmeter - Build a digital AC voltmeter to measure the output range from 0 to 150VAC with reasonable accuracy

A DIY Square Wave Signal Generator - This circuit is very simple and has a fantastic range of potential uses.