VLF , LF , MF , HF , VHF , UHF , SHF , EHF

Getting Started on LF European Amateur LF Schedules
LWCA: LF Amateur Radio An 136 KHz SIGNALS
  Transatlantic on 136 KHz
  cw transmitter for long wave
  The 400 W power amplifier
  Amateur Radio Research and Development Corporation
  A Receiving Loop for Long Waves
  LORAN-C transmitter
  Antenna for 136 KHz
  Longwave Information
  Introduction to Longwave Radio
  LF Band Allocations

Back