spectrum lab

Inexpensive GPS mobile Antenna - An inexpensive external GPS antenna, for 1.5 GHz band for GPS receiver, If you operate APRS or just need an external antenna for your GPS receiver, here’s one that is easy to build yet offers surprisingly good performance in a compact size. Best of all, it uses commonly available components and materials.

W5 Incoming QSL Bureau - Online status checking available for most 5th area calls.

Birmingham Amateur Radio Club - Birmingham (Alabama) Amateur Radio Club, since 1926

Longview East Texas radio club - LETARC provides public service to the Longview Tyler Gilmer Henderson Gladewater Marshal Texas areas through the availablility of their SKYWARN alert repeater and a large network of weather watchers.

The University of Calgary Radio Astronomy Laboratory - Radio astronomy research at the University of Calgary

Canada's Radio Community - Filled with info about Ham radio and frequency listings as well as great links.

NH7C Amateur Radio Social Network - NH7C.com was created with the user in mind and sports many of the latest features available. Whether you have interest in Contesting, QRP, CW, Emergency Communications or any other facet of Amateur Radio, you are welcome here at NH7C.com.

BitScopes Mixed Signal Oscilloscopes - Robust and affordable PC based mixed signal oscilloscopes for Windows, Linux and Mac. Isolated USB or networked connection to one or more PCs. Data acquisition, waveform generation and multi-user options available.

World Time Zone Map - world Time map in pdf format available for download

50 Mhz Operating Code of Practice - Recommended Operating Code of Practice as issued by the UKSMG in conjunction with JAROC, HARDXA,SixItaly and LABRE-SP

Caltech Submillimeter Observatory (CSO) - A 10.4-meter diameter, submillimeter spectrum telescope. Situated at the top of Mauna Kea, Big island, Hawaii.

FCRAO - A 15-meter diameter, submillimeter spectrum telescope. Situated near the summit of Mauna Kea, Big island, Hawaii.

Jodrell Bank - Nuffield Radio Astronomy Laboratories (NRAL) - NRAL at Jodrell Bank are a part of the University of Manchester's Department of Physics and Astronomy. The Laboratories are home to the Lovell Telescope and the MERLIN & VLBI National Facility which is operated by the University on behalf of PPARC.

VLF Natural Radio Discussion Group - Discussion group dedicated to those who enjoy monitoring radio frequencies in the VLF radio spectrum and slightly below the VLF spectrum (3-30 KHz).

Space Environment Laboratory - NOAA's Radio Users' Page, provide radio operators with current data on the state of the ionosphere

Ken's N. Alabama Scanner Radio Frequencies - Gadsden Alabama area frequencies including MILCOM UHF listings.

PropView - PropView is a free application that uses the included VOACAP, ICEPAC, and IONCAP engines to graphically display band openings between two locations over a specified 24 hour period. It can also build schedules for the IARU/HF beacon network and automatically QSY your transceiver to monitor each scheduled beacon.

SpotCollector - A free application that captures DX and WWV spots from up to 5 internet clusters and a local packet cluster. DX Spots are merged and stored in a Spot Database on your PC, enabling you to monitor, sort, and filter them in real time; known LotW participants are highlighted, as are needed stations. WWV spots are plotted to show SFI, A, and K over the last solar revolution.

XASTIR - Xastir is program for receiving and plotting APRS™ position packets. Development is a collaborative effort of programmers and amateur radio enthusiasts from around the world. Xastir supports many map formats and is highly customizable. Xastir runs on Windows/MacOSX/Linux/FreeBSD/Solaris/Lindows. It supports 125 map formats, several types of TNC's and weather stations, Festival speech synthesizer, AX.25 networking (Soundmodem/Baycom/SCC!) and seven languages!.

DXKeeper  ^updated - DXKeeper is a free application that logs QSOs, tracks award status, generates QSL cards & labels, addresses envelopes, uploads QSOs to eQSL.cc and LotW, and downloads progress info from eQSL.cc and LotW. It can reference the RAC, Hamcall, and QRZ callbooks as well as the QRZ.com web site to fill in data when logging, or to update already-logged QSOs. DXKeeper automatically interoperates with all members of the freeware DXLab Suite, including Commander (transceiver control and bandspread for Alinco, Elecraft, FlexRadio, Icom, Kachina, Kenwood, TenTec, Yaesu), DXView (world map, rotator control), WinWarbler (PSK, RTTY, CW, Phone) and SpotCollector (DX and WWV spots). It also interoperates with MMTTY, MMVARI, MMSSTV, MultiPSK, MixW, DX Atlas, and Ham Radio Deluxe.

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 to set for best decoding of PSK31.

BV by df3cb - Amateur Radio Software for QSL Management and QSL Label Printing for Windows 95/98/NT

GSpec - Spectrum Analyser for Win9x/2000 and NT, that will display audio input to your sound card in the Frequency and Time domains

Eprom Eraser - An Eprom Eraser with UV-Ray for 27Cxx Eprom (and similar, common in TNC) with a timer

How to obtain a dual voltage without a transformer - How to obtain a dual voltage without a transformer