lf receiver

A VLF loop by IK0VVE - This antenna was born from the demand to use a loop for vlf operations in portable posting, avoiding the aid of long wires to stretch.

The Battle Creek Special Antenna - This antenna is often mentioned as secret weapon for LF bands (160, 80 & 40 m) operating at many DXpeditions. It is not commercially available but may be loaned to the expedition staff. It was brought to Ham Radio scene by George Guerin, K8GG, Charlie Dewey, W0CD and George Taft, W8UVZ

Half wave collinear copper jpole - Two meters collinear j-pole antennas made with riggid copper pipe

Build a multiband dipole - A nicely documented procedure to build a multiband dipole spending $30 in material and half an hour in assembling by Andrew Daniel - KI4QFY

N2CX on End-Fed Halfwave Antennas - This original N2CX article was first published in the 72 newsletter back in 1997 or 1998.

"Halfer" End-Fed Halfwave Antenna  ^pop - End-Fed Half-Wave Antenna for the 7 or 10 MHZ amateur bands intended to provide a very simple to erect yet effective portable QRP antenna.

Super J-Pole for 435MHz - The Super J Pole antenna is a co-linear vertical consisting of a number of half wave length vertical elements separated with half-wave length stubs (Tuning stub) feed with a folded matching stub by vk6ysf

Dual Band J Pole - Dual band J pole operational over the entire 6Mtr band (50 – 54MHz) and the entire 2Mtr band (144 – 148MHz), slightly favouring the upper half of both bands by VK6YSF

160 m Balanced Coaxial Receiving Loop Antenna - KN4LF explanation of the 160 meter balanced coaxial receiving loop antenna, easily adaptable to a 40 and 80 meters band

An End Fed Half Wave Antenna - This end fed type of antenna was marketted in the UK and is a useful system for the portable set-up. Being a half wave, no radials or counterpose wires are needed.

Base Loaded 160M Half-Sloper Antenna - If you want an antenna resonoant on the 160 meters band this is a possible solution, but of course, need space.

Antennas for MF and LF - Long Waves, Short Antennas, designing antennas for MF and LF communications

JR6NJD remotely-controllable receiver - JR6NJD offer a web-controlled Icom PCR-1000 receiver radio, located in Beppu, Oita, Japan

RT Systems - Radio Programming - Windows programming software for Icom and Yaesu amateur radios and scanners and receivers by RT Systems. Produce radio programming cables for Yaesu Icom Kenwood radios

Soft66 - Direct Conversion Receiver for Software Radio Soft66AD

G4OEP QRSS pages - Pictures of QRSS Signals, a homebrew receiver for 136 Khz

30m QRSS Receiver - G0UPL QRSS receiver inspired by I1DFS receiver

Two Kenwood TS850 modifications - Here are two simple modifications / repairs for the Kenwood TS850 HF transceiver, dual receiver mod, and battery pack replacement

FT-1000D Why DX in Stereo - Yaesu's classic, top of the line HF transceiver for contesters and DXers is probably the only ham dual-receiver radio that does true diversity reception

Amateur Business CB Radios - Sell 2-Way radios and Accessories. Amateur Radio, Business Radio, CB Radio, FRS & GMRS, MURS, VHF-Marine Radio, Shortwave & Wideband Receivers, Police-Scanners in WA Usa

Virtual Legacy Radio - Windows remote control for Yaesu or Icom. Displays the current transceiver settings frequency, mode, and others on the PC in an old-fashioned way that corresponds to the look of receivers in 70's. DX-Cluster Watch (DCW) is an application that automatically refreshes a web page with the dx-cluster content, parses spot lines from it, keeps a consolidated list and inserts the spots to VLR as frequency markers by OK1FIG

TK-150 - tk150 experimental Software for the Standard VR-150 Receiver

RT Systems - Windows Programming Software by RT Systems for Amateur Radios and Receivers

YCCC 6 Band Receive Bandpass filter - This is a 6 band receive only filter designed to protect your receiver front end and provide 45dB reject at the stop bands.

HDR-2005 Receiver Workbench - Homebrew HF receiver with quadrature sampling detector QSD (aka Tayloe Mixer)