gps receiver

Onlinereceiver from Zwolle Holland - Controllable Icom PCR100, 10kHz-1300MHz AM,FM,WFM. live from Zwolle - Netherlands

WebSDR in Czech Republic - 80 meter WebSDR receiver by OK1KPU in castle Doubravka Czech republic

WebSDR in Canada - WebSDR receiver located at the University of British Columbia Amateur Radio Society by VE7KA

Online websdr from Bulgaria - This is a WebSDR receiver, located in Sofia, Bulgaria, hosted by LZ1QRM.

WebSDR YO3GGX - 3 x Softrock Lite II receivers from Romania

Cmpter Electronics - Cmpter Electronics is specialized in designs and manufactures RF Coaxial Connectors, RF Adapters, Cable Assembly and GPS Antennas for applications in the datacom/telecom, automotive, instrumentation aerospace and defense markets.

SK6AW Maidenhead Locator Conversion - Convert to/from maidenhead gridsquare, decimal or DMS long/lat. Find your locator on smartphones via gps in your browser!

Tiny Trak & eTrex GPS - Tiny Trak is a simple choice for tracking, simply by using a usual VHF and TinyTrak as APRS modem.

R-389/URR VLF Receiver - Collins R-389/URR VLF Receiver by Don Reaves W5OR

80m fox hunting receiver - Schematic anc PCB for a fox hunting receiver for 80 meters band

80m sniffer - A full superhetrodyne SSB fox hunting receiver kit

80M Fox-Or-Test Transmitter - The 80 metre fox-or/test transmitter is a small low power transmitter which is designed to be used as an alignment aid for running up 80 metre foxhunt or ARDF receivers. It is also usable as a micro transmitter for fox-or-ing events.

How to Measure Receiver Sensitivity - Testing an Elecraft K2 sensivity using a signal generator, headphones and an AC Voltmeter

MarkV RX Dead - repair instruction - VA3CR repair of a Mark V receiver that won't receive

A 2.3GHz to 432MHz receiver converter - Receiver converter that can be plugged to the backside of the Yaesu FT-817 battery powered portable transceiver

Buying a shortwave receiver - This article will provide an overview of the different types of receiver available and the associated pro’s and con’s.

GridLocW - GridLocW a Lat/Long to Maidenhead converter for Windows with optional GPS support

TK3 for IC-R3 - tk3 is open source software designed for the ICOM IC-R3 receiver. Though tk3 is intended chiefly for Linux, MacOS X, and BSD users, it will work on Microsoft Windows too.

Friis-It NF for iPhone - Friis-It NF is the first iPhone OS based application that allows you to calculate noise figure, system sensitivity, and cascaded gain for an RF Receiver system

iSDR - iSDR is a software defined radio application compatible with the Apple iPhone, iPod touch and iPad™. iSDR is designed for experimenters, shortwave listeners, and amateur radio enthusiasts who would like a truly portable software-defined radio receiver.

40 m Band Direct Conversion Receiver - Practical and usable direct conversion receiver for the 40 m CW band

WB9JPS Direct-Conversion Receiver - Direct-Conversion Receiver project

What Does Your S-Meter Reading Mean - Two receivers compared, Drake R8A and Palstar R30

Realistic DX-100L mod - Modifications and improveents for the realistic DX-100L HF receiver by ON6MU

Software Defined Radio Tutorial - Tutorial and information about the basics of the software defined radio, SDR, and links of software defined radios to JTRS, and general SDR receiver technology.