Longwave

Longwave is loosely defined as the frequencies below 500 kHz (sometimes called Very Low Frequencies VLF and extending downward to the Extremely Low Frequencies ELF which overlap the top of the human audio spectrum). 

Radio Amateurs of Canada has proposed a world wide secondary allocation to Amateur radio at 135.7-137.8 kHz. The proposal is now on the Agenda for WRC 2007. To view the document  click here. In the meantime, many other countries have permitted a domestic allocation of the band for amateur radio use. To date, Industry Canada has only allowed Canadian amateurs to use the band on a limited experimental basis.

	136 kHz at G3YMC
	136 kHz Direct Conversion Receiver
	136 Khz Images
	200W 136 kHz Transmitter
	Active Loop Converter for LF
	Alex's Longwave Page
	Altair's YWK Lowfer Page
	AMRAD LF Web Page
	ANARC Home Page
	Brief Introduction to Longwave Radio
	Canadian Lowfer Home Page
	DK8KW Longwave Information (Band Plan)
	DK8KW Slow Voice
	Extremely Low Frequency Communications Program - United States Nuclear Forces
	ELF Radiation
	GW4ALG 136 kHz Page
	Ham Radio Online - VLF Radio
	Introduction to LF and VLF Monitoring
	Newcomer’s Guide to LF Weak Signal Receiving Techniques
	NZRDXL Introduction to Longwave DX
	Joseph Cooper VE3FMQ Home Page
	KA2QPG's Longwave Page
	K0LR
	Larry's Very Low Frequency Site
	LF Experimenting and Home Brewing
	Long Wave Club of America - A Longwave Home Page
	Longwave Club of America
	Longwave DXing
	Longwave Home Page
	Longwave Index
	Lowfer Beacon Transmitter
	LowFER (160-190Khz) Beacons in the US and Canada
	Low Frequency Experimenter's Handbook RSGB
	Low-Frequency Radio Time Signals
	LWCA Home Page
	NASA online VLF receiver
	Noise Floor: 1750 Meters and Medfer Resource
	Noise Floor: 1750 Meter Resource Page
	Other Countries with Amateur LF
	Part 15 Radio Stations of North America
	Propagation in the LF-Band
	Radio Waves Below 22 kHz
	Really Simple Loop
	Rock's Longwave Beacon Log
	Submarine Communications Master Plan (December 1995)
	A Ten Foot Receiving Loop for Low Fequency DX Work
	Transatlantic on 136 KHz
	UK LF Band Plan
	Very Low Frequency (VLF)
	Very Low Frequency Radio Stations
	VE3OT VLF
	VK2ZTO Experimentation Web Pages
	VLF Time Signal Broadcasts