spectrum lab

eham DX Spots - DX Spots web cluster interface with filtering features available to eham subscribers

A beginner's guide to RTTY contests - A pdf file with review of RTTY contests software available on the net and information on how to operate a RTTY Contest, by RSGB.

OM0A Rental DX shack - Rental shack in High Tatras, Slovakia. Available during the whole year for amateur and non-amateur activities

hamtests.co.uk - amateur radio training Priority listing - This site has been created to allow you to take mock United Kingdom Amateur (Ham) Radio exams using our ever increasing mock questions pool. We have questions available for Foundation, Intermediate and Advanced exams.

HB9AZT Internet remote station in switzerland - HB9AZT offer a free Ham Radio Receiver (TS2000) with live audio stream. Login is required for full control, available for paying members with valid radio amateur licence.

ARRL Audio News - ARRL Audio News contains highlights taken from the League's weekly publication, The ARRL Letter. ARRL Audio News is available via internet in mp3.

AOR U.S.A., INC. - Aor u.s.a web site, manufacturer of base and mobile receivers, handheld receivers, digital voice modems, spectrum display units, frequency monitors and antennas

Expanded Spectrum Systems - Flash crystals, Feakin' beacon keyer, beacon attenuator

Spectrum Instruments - Spectrum manufactures very high-performance, low-cost, GPS-disciplined time and frequency reference standards for industry, scientific, calibration, broadcast and amateur operators.

Penta Laboratories - Penta Laboratories is a Manufacturer and Distributor of vacuum tubes, capacitors and electron tubes for Broadcast, Industrial, Marine and Avionics applications worldwide.

ARDF transmitter for 80 meters - The 80m TX described here is the well known ON7YD ATX-80 and timer, combined and re-engineered to fit a readily available enclosure by G3ZOI

IPS - HF Systems MUF maps and prediction charts - These pages provide general propagation advice for HF communicators. Information available includes inferred global propagation conditions, real time HF fadeout coverage charts, regional ionospheric vertical MUF maps and Hourly Area Prediction charts for Astralia and Asia, Europe and North America

glfer - glfer is a program for reception and transmission of QRSS/DFCW signals. It is composed of two main parts: the spectrogram window, where you can see the spectrum of the received signal vs. time the transmission functions, to emit cw characters at a slow but precisely controlled speed, using the QRSS (slow CW) or DFCW (Dual Frequency CW) modes

Log2000 - Log2000 is a program for logging and tracking QSO's, creating and printing QSL's and QSL labels. Designed for Windows 95/98, Windows NT and Windows 2000.

Ham Office - Professional multi funcion software for ham radio use. Mainlu a logging program with mapping functions, dx cluster module, label printing, award managements, exporting features and more. Currently only in german

RX-PSK31 - Easy to use Audio Spectrum- and PSK31 decoding program specially designed for SWL's who don't need TX or for anyone who just like to monitor PSK31 or analyse signals. Adjustable DSP and Spectrum settings for audio and frequency spectrum analasys or to set it for best decoding of PSK31 signals. By ON6MU

Grafik Packet - Windows Packet radio program by DH1DAE, Ulf, versions available for win 95/98, dos and os/2

OpenBCM - The BayCom-Mailbox is an amateur radio/citizen band AX.25 Bulletin Board System with AX.25 store and forward capabilities. The software is available for Linux, DOS and Win-NT. OpenBCM is opensource and freeware.

Proplab-Pro - An ionospheric laboratory for your personal computer. Wquipped with one of the most powerful ray-tracing engines capable of handling such things as Ionospheric Tilts Chordal Hops Non-Great-Circle Propagation Spitzes and more

Propagation Wizard - Freeware windows application that help in determine the availability of a shortwave link, by Rohde & Schwarz

Ham Label - Professional QSL cards label printing software.

EasyTuner - Easytuner id an excel spreadsheet that tunes your radio. Works with all Kenwood and Icom receivers and transceivers that are computer-controllable. Sets receiver and transmitter frequency and mode

N9ZLE ICOM - CIV Software - IRC is a Free Radio control program for Icom radios using the CIV CT-17 or compatible interface. This program allows the use of different skins to display just about any radio from the IC746 to a secret agent watch. The program uses the new features available with the 746 and 756 to upload or save memories from your rig

Soundcard Audio Tools and Toys - Soundcard audio tools and toys, experimental ideas and utilities. Signal Generator, Frequency-counter / instrument-tuner, Real-time Spectrum Analyser

Build a simple rechargeable CMOS Battery - An inexpensive rechargeable CMOS battery system that can be built from readily available parts.