pl tone kit

2 meter Quagi 97  ^pop - Dimensions and plan to build a W5UN EME quagi antenna

AM Antennas  ^pop - The ultimate AM loop antenna article. It is the only article that includes the calculations and detailed plans

XE1YJS Joaquin - Ham radio, Mir contact samples in Real audio, packet and some links

MM0BQM Priority listing - MM0BQM Homepage, lots of info on most soundcard data modes plus received SSTV picture gallery.

SP5XMU Tom - Everything about 50MHz in Poland

Polish 50MHz pages - All about 6m in Poland incl.: people, contest, awards, etc.

Denver Amateur Radio Supply - A full service dealer of new and used equipment located in Stevens, PA Lancaster County.

Mr coily - Base and mobile antennas,custom ball mounts, single, double, triple coil antennas, flat coils.

Broadcast microwave services - Designs and manufactures a comprehensive line of microwave communications equipment for television broadcast, video, telemetry, and electronic surveillance applications.

Autocode - Autocode makes a selection of fine morse code identifiers for commercial and amateur radio applications.

Kemo Electronics - Electronic kits, modules, devices and cases, transformer, boards, electronic accessories

Cyberiansoftware Repeaters - Markets repeater controllers and kits to Ham operators.

Society of Amateur Radio Astronomers - SARA is a dedicated group of people that formed an international society to learn, trade technical information and do their own observations of the radio sky

AMPRNet IP address coordinators - The people listed here have volunteered to issue IP addresses for their areas

PolarPlot - Freeware antenna software that lets you see what the polar diagram of your rotatable beam actually looks like where it is operating. With PolarPlot you can measure the polar diagram of the antenna and check for abnormalities - compare plots taken before and after changes to the design or location - check the -3dB beamwidth - look at the front to back ratio - see the size and position of the sidelobes.

Freeware for Amateur Radio Priority listing - Programs for hams written by Alex Shovkoplyas

Analyzer2000 - Fast, high resolution time-frequency analyzer with FFT display for time and frequency variant signals.

Voice Shaper - Voice Shaper is a freeware windows speech pre-processor for SSB transceivers. It receives the voice signal from the microphone connected to the soundcard, and sends the processed audio back to the soundcard in real time by Alex Shovkoplyas, VE3NEA

Spectran - Program designed to do spectral analysis and real-time audio filtering on reception of audio signals for EME, VLF, SETI applications. Offer support for MTHELL, QRSS, DFCW, NDB, WSJT by I2PHD

NcWinPTC - NcWinPtc is a terminal program for the SCS controllers PK232 and PK900(with all files). Includes also many other programs for pactor devices such us Ptc II SCS, Ptcplus SCS, Z80 SCS.

Z-Track - Complete personal EME management software

FFTDSP  ^pop - FFTDSP is a PC program which can detect weak radio signals in real time. Uses the PC's soundcard and advanced signal processing techniques, extracts and displays weak signals from the receiver audio.

iHamRelay - iHamRelay offers you more than 2500 repeaters all across Europe and the possibility for you to join the community while sharing your own data

BBA-C1 Amplifier Card - This versatile broadband amplifier is used in several DX Lab projects.

Fitting a PL259 to a coaxial cable - Quick and dirty method to fit a common PL259 to coax cable