40m receiver

Capacitive Antennas - HB9MTN Capacitive antennas for 40m, 30m AND 20m

40M Twin Half-Square Array - 40 meters elevated vertical antenna array at VA7ST

End Fed Half Wave Antenna Coupler - A 40m through 17m Mini End Fed Half Wave Antenna Coupler by Steve Yates - AA5TB

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

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

Lab Receiver Test Data Comparisons - ARRL QST Review Data, plus some data from Sherwood Engineering at Elekraft

GAP Titan Product Reviews - Covers 10m 12m 15m 17m 20m 30m 40m and 100 KHz on 80m, & WARC Eham Reviews

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

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.

TK5 for IC-R5 - Open source software designed for the ICOM IC-R5 receiver. Linux, MacOS X and Windows

TK120  ^updated - Experimental Software for the Yaesu VR-120 and Yaesu VR-120D Receivers

TK10 for IC-R10 - Radio programming software for the ICOM IC-R10 receiver

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.

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

QRP transmitter with VXO - This is a nice 1 W QRP transmitter that can be used in combination of one of the simple receivers.

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

160m AM Receiver - Millennium project 160 meters AM receiver by George Fare, G3OGQ