sub vfo receiver

VSWR Loss Calculator - This calculator is designed to give the efficiency loss of a given antenna, based on the input of VSWR (voltage standing wave ratio) and other subsequent factors

Russian Castles award - Issued to any licensed radio-amateur or SWL who submits proof of radio contact with stations working form fortresses

Suburban Amateur Radio Repeater - Suburban amateur radio repeater is a wider coverage machine with six receiver sites in the chicago metropolitan area.

HamKey - Ham radio classified ads, buy sell swap & trade amateur radios - receivers transmitters antennas electronic parts transistor radios

WebSDR in USA K7UEB - WebSDR at K7UEB,40 and 20 meters receiver in Walla Walla University USA

Response Microwave, Inc. - Microwave Signal Processing Components and Subsystems, from design to manufacturing.

VHF Sniffer MK4 - Two-meter and aircraft band receiver specifically designed for RDF on foot, sold by Bryan Ackerly VK3YNG

Eton - Shortwave and FM radio receivers. Innovative radios.

GRE America - Manufacturer of Radio Scanner receivers, scanner accessories, LCD Display modules and GINA data radio modems

Microtelecom - Develops and manufactures radios and telecommunication devices for special applications. SDR Receivers, Digital HF transmitters, Digital SSB Exciter.

Using MT65 - MAP65, a panoramic, polarization-matching receiver for JT65 by K1JT

Receiver Test Data - Sherwood Engineering Tests, conduct receiver comparison among popular commercial radios.

Yaesu VX-170 VX-150 battery - Yaesu VX-150, VX-170 BATTERY questions

Yaesu ft-60r vs Yaesu vx-6r - Forum thread comparing FT-60 to VX-6R

LCD Digital Dial DDS VFO - Low Cost frequency counters and DDS VFO's for QRP and Vintage Radio's. LCD Digital Display, Frequency Counter or DDS VFO

DSPRX - Signalprocessing for SSB - Direct Conversion Receiver using Phasemethod for Sideband Supression, does all necessary signalprocessing for Direct conversion Receivers using IQ-mixer for demodulation.

IP1kC - Control the Icom PCR 1000 receiver with a palmOS device

MAP65 - MAP65 works together with the Linrad software. The Linrad/MAP65 combination implements a wideband, polarization-matching receiver for the JT65B protocol.

Receiver Band-Pass Filters - Third-order Cauer filters can boost performance of multi-transmitter, multi-operator contest stations to the next level. The filters are practical and you don’t need expensive test equipment to align them.

Receivers sorted by IM3 - Sorted by Intermodulation. Best receiver first. This is a measure of how badly a close-spaced signal will trash your receiving with spurious signals or splatter sounds,

A Simple Dual Band SSB Transceiver - Homebrew a dual-band transceiver with a crisp receiver and a clean SSB signal

Frequency Locked Loop VFO for HF - A device which joins in a single microprocessor a digital programmable frequency meter and a control logic capable to lock a manually tuned VFO to its actual frequency by IK3OIL

The Electroluminescent Receiver Kit - A led electroluminescent radio receiver

Homebrew Ham Bands Receiver - This home-brew 14 tube HF ham bands receiver was built by an unknown amateur radio (ham) operator

NB6M 10 Homebrew Receiver and Keying - Schematic of a homebrew receiver and keying