sub vfo receiver

Baluns on Log Periodic Antennas - Some antenna manufacturers place baluns at the incorrect location in LPDA arrays, or tell you to route the cable incorrectly. This can cause substantial RFI and all sorts of weird problems like RF into house wiring.

Radio-Scouting pages - Official radio scouting pages at World organization of the Scout Movement

VE3CLQ Blog - Amateur radio blog on various subjects

Roger G3XBM's Amateur Radio Blog - Simple QRP projects, 10m, 6m, WSPR beaconing, sub-9kHz and other random stuff

SCART - Amateur TV group in Southampton, UK - S.C.A.R.T is a club based in the Southampton area of the UK open to everybody who is interested in amateur television and video related subjects.

160m WebSDR from Poland - WebSDR receiver in Wroclaw, Poland. Antenna is 160m inverted-L 12m height.

WebSDR from Slovenia - A WebSDR receiver located in Novo mesto, Slovenia, qth JN75NT operating 40 and 80 meters bands

Cross Country Wireless - UK manufacturer of ham radio accessories, including TNX, SDR receivers, RF Diplexers Triplexers, bandpass filters, iambic memory keyers.

Cross Country Wireless SDR Receiver  ^updated - SDR Receiver a compact high performance HF software defined radio receiver designed to be used in fixed or portable stations. Version 2 of the receiver is now available. It now has an RF pre-amplifier using a power MOSFET and other revisions to improve it's performance both as a stand alone receiver and as an IF panadaptor with HF and VHF transceivers.

Software Radio Laboratory LLC - Makers of SRL QuickSilver QS1R Receiver

MPFilters for FT-1000MP - MPfilters is a Windows-based program which enables you to select the Yaesu FT-1000MP and FT-1000MP Mark V main receiver and sub receiver IF filters via the radio’s CAT port

Yaesu FT-2000 Panadapter - Yaesu FT-2000 Panadapter, using the Softrock 9 Lite, SDR receiver kit

QST Reviews Key Measurements Summary - QST Magazine Product Reviews - Key Measurements Summary - HF-Transceivers or Receivers. Compares Yaesu FTDX5000, Elecraft K3, Flex 5000 and Kenwood TS-590S

Yaesu VX-2 jumpers - This walkie is sold without the wide band receiver enabled, this is, only 144 and 432 MHz band

Hagerty Radio Company - Offer a Direct Digital VFO Kits (variable-frequency oscillator) using the Analog Devices AD9951 by WA1FFL

Ham - Open Source Ham Radio App for Android. Solar / calculated band conditions & Callsign lookups via QRZ.com XML subscription.

CuteSDR - CuteSDR Open-Source application for MacOSX , Linux, and Windows designed to run with RFSPace SDR receiver

ControlSoft AR5000 - The software controls a communication receiver AR 5000 designed by AOR. It allows controling the receiver via a PC using a serial port

R-20 Signal Capture and Analysis Software - Connect your R-20 Communications Receiver to your computer. Put your listening hobby on your computer desktop.

The BBRC Frequency Counter - The Burnham Beaches Radio Club frequency counter is a PIC micro controller based frequency counter with LCD readout. It can be used stand alone or the in built offsets allow integration into a receiver

20m CW QRP Transceiver - The direct-conversion receiver uses an audio-based automatic gain control, an LC tone filter, and a 100-kHz crystal for frequency alignment. The same VFO is used for transmitting and receiving by DC1YB

Bartling RX-40 Receiver - Circuit Diagram and Construction of the Bartling RX-40 Joachim Münch DF4ZS

A Simple Receiver - the DC40 - A beginner's direct conversion receiver

VXO 80 metre receiver - 80 metre ceramix VXO with schematic and assembly instructions

SDR hardware architecture - Essentials about the key areas of importance for the software defined radio SDR hardware and the SDR hardware architecture used.