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DX Peditions & Contest Schedule - DX Pedition and contest schedule, Online Database

DARC Ortsverband Dusseldorf R01 - Deutscher Amateur Radio Club - Ortsverband Düsseldorf, R01

S55AW Home Page - Meteorscatter, Tropo, Es

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.

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

National Radio Astronomy Observatory - Research facility of National Science Foundation, operates many radio telescope observatories.

The Very Small Array (VSA) - in Tenerife (Canary Islands). Designed to study fluctuations in the Cosmic Microwave Background (CMB) thought to originate from the period immediately following the big bang. Operated by Cambridge and Manchester Universities (UK).

The VHF Homepage of G1HWY - High speed cw meteorscatter station

La Telegrafia - Complete information on morse-code in italian

The most common RTTY systems - Info on ARQ AX25 HELLSCREIBER ITA SPREAD TDM RTTY and many more

Ocean County Repeater Group - The KF2EF Repeater - 146.445 / 147.445 - PL 131.8 * Toms River, NJ

Tips for VHF-UHF operation - New User Tips for VHF-UHF Operation by Dave Schultheis WB6KHP

VHF-dx database - Online VHF-DX Database with informations of more then 43.000 members

LA0BY Stefan - VHF from Scandinavia, EME, Tropo, Aurora and expeditions.

NF2G Scannist Pages - Scannist Pages for Upstate NY

OE6IWG VHF DX from southern Austria - Walter describes his VHF Expeditions in Greece, some VHF logs online to search and lots of typical VHF homebrew stuff.

Troposcatter Meteorscatter Ionoscatter - Troposcatter, 50 MHz meteor scatter, ground gain for eme, radiation angle, by OZ1RH

W3SE Wes - High speed meteor scatter and contest information

Introduction to VHF Propagation - Understanding basic VHF and UHF propagation, eskip, Backscatter, Meteor Scatter and more

RigPix Database - Images and technical details of thousands of transceivers, cb radios, rotators, rf amplifiers scanners and accessories, by SM0OFV

Yaesu FT-101 HF Transceiver - Yaesu FT 101 unofficial web site managed by NW2M

SWL convention - The largest gathering of shortwave listeners (about 200) in North America, near Philadelphia in March.

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.

EchoFilter - EchoFilter uses the soundcard of a PC to process income audio signals in real-time. The narrow filter bandwidth allow the extraction signals and sounds from the audio signal that may normally be close to inaudible. It is intended for radio HAMS, hobbyists, researchers, scientists and students in the DSP field.

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.