Longwave

Antennas for 136kHz - A very long and exaustive documentation on building antennas for 136 khz. Includes links to antenna design software for longwave

Remote Loop Tuning - Lyle Koehler's article on remote use of LF loop antennas for receiving purposes.

Ferrite antenna for LF - A ferrite antenna for Low Freqencies

I5TGC Antennas - Reduced size longwave antennas by Cesare Tagliabue I5TGC and his experience on 136 kHz band.

Longwave Non-Directional Beacons - Beacons operating in the longwave radio spectrum, generally between 200 and 450 kHz

Canadian Nondirectional Radiobeacons - Locate canadian non directional radio beacons

WD2XGJ Experimental Station - Experimental Longwave Transmissions from Tower Hill wayland Massachusetts Operator Name Warren, Ham Call K2ORS, Frequency: 137.7796 KHz

BADX Boston Area DXers - BADX is an association of shortwave, mediumwave, and longwave DXers and shortwave radio listeners. Membership is open to all.

Longwave Home Page - The World of Radio Below 500 kHz by the Longwave Club of America

Introduction to Longwave Radio - A brief introduction to longwave radio

DK8KW Longwave Information - Useful pages of longwave operations, includes a lot of reference files, beacons list, sounds and pictures

Longwave operations - In the VLF portion of the spectrum it is easy to listen to the emissions created by the Earth itself. These emissions are generated by many different mechanisms and are often beautiful to listen to. Coverage on LF and MF frequencies

Long Wave Radio - The World of LF, by G3YXM reference site for longwave operations. Introduction to operating on 136 and 501 Khz

Build a 136 kHx TX - Two versions of a 350 and 900 W output TX for longwave by G3YXM

Ham Radio below 9 kHz - DK8KV Longwave information

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

Longwave Overview - Longwave operations in Germany by DF0WD/DL4YHF

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

Slow CW an introduction for Newcomers - DK8KW Longwave Information

HFUnderground - HFUnderground.com is dedicated to documenting longwave, mediumwave, and shortwave stations, including broadcasters, utility/military stations, pirate radio and spy numbers stations.

SeaTTY RTTY/NAVTEX decoder - Program to receive weather reports and navigational warnings transmitted on longwave and shortwave bands in RTTY and NAVTEX modes. None additional hardware is required - your need only receiver and computer with a sound card.

Shortwave Log (SWLog) - Shortwave Log, SWLog is a comprehensive logging and radio control program. While designed for shortwave and mediumwave listening, the program is quite adept when listening to longwave, utility, or amateur radio. Support Icom Drake TenTec Yaesu JRC and lowe receivers.

Universal LF/MF Preamplifier - "A ""Universal Antenna Preamplifier"" design, in Web page form. Works with long wires, loops, or whips. For longwave and medium wave."

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

Receive only processing equipment - One of our most popular products, receiving preamplifiers are used for achieving top signal band performance in competition operating, low noise longwave reception, repeater applications into the UHF region, or lab use