what is vertical antenna

3 Element Antenna for 28 Mhz  ^pop - The DF9CY three-element antenna for 28 MHz by Christoph Petermann DF9CY

G5RV Louis Varney - Photographs and QSL of Louis Varney father of G5RV antenna

Build A Tin Can WiFi Antenna  ^updated - Build a tin can waveguide WiFi antenna in one hour. Then put it on a 18" inch direct tv dish. No coax signal loss. Use a USB device on antenna. Complete instructions to build this powerful wlan antenna

Yankee Alpha Zulu - Gruppo Radio DX Y.A.Z. Treviso Italy

GenLog - Freeware Win98/NT/XP contest logging program, supports over 270 contests, Grid Square distance/heading routines, plus Grid maps by Dave Mascaro W3KM

9N7BCC Nepal 2004 - On the occasion of its 20th anniversary and in memory of its long time member DJ7CY, Sepp Rindfleisch, members of the Bavarian Contest Club (BCC) staged a DXpedition to the Kingdom of Nepal centered around the CW portion of the CQ WW DX Contest.

Austria - OEVSV - Oesterreichischer Versuchssenderverband

9A5AAC Miroslav - Personal site dedicated to amateur radio. HAM stuff - something about me, my homeclub and 9A - Croatia, links, pictures. This is also home of HAMs On The Net WebRing.

SV8CS Spiros - Dx on Hf specially on low bands from Zante island Greece

Mailing lists - Listing of ham radio related mailing lists and newsgroups

CGA Enterprises - Crankup tiltover towers from 35 to 100'

PSK31 official page - Description of PSK31, mailing list, frequency for QSO

Satellite Frequency list - Satellite frequency list from 3 to 8475 Mhz

Orbitessera - Orbitessera provides a mosaic of orbital information. Information is provided for the Space Shuttle, the International Space Station , Mir Space Station , and general Satellite Keplerian Elements information

Shuttle Audio Frequencies - The frequencies listed here may carry shuttle audio during space shuttle missions

Kenwood TS690S - Expanding frequency coverage, transceiver Labtest by Christoph Petermann DF9CY

Low Power Broadcasting - Low power broadcasting frequently asked questions by Rick Harrison

RCKRtty - Commercial windows RTTY Program, RCKRtty is a comprehensible program for logging and administration of RTTY, PSK31, Pactor, Amtor and CW-QSO's with simultaneous control of transceiver and real-time operation with Packet-Radio. RCKRtty supports normally QSO-operation and a full Contest operation, with maximum data security. Price Euro 45 by Walter Dallmeier, DL4RCK

TrueTTY  ^updated Priority listing - Program for amateur radio digital communications via a sound card. Supported modes are RTTY (Baudot code), ASCII (7 or 8 bits), PSK31 (BPSK and QPSK) and AMTOR-FEC (SITOR-B, NAVTEX). SELFEC SITOR decoding is possible also. No additional hardware required, need only a sound card. Optionally you can use simple circuit fo PTT-control. Can cooperate with RZ4AG AAlog logger.

WinGT and WinBox - Packet radio terminal program for win 3.1 and above, WinBox is a modified version of WinGT for cb radio usuage

Spectrogram  ^pop - Shareware dual channel audio spectrum analyzer for Windows 2000/XP which can provide either a scrolling time-frequency display or a spectrum analyzer scope display in real time for any sound source connected to your sound card. Can be used for MTHELL, QRSS and DFCW by R S Horne

432 MHz EME PreAmplifier - 432 MHz EME low noise amplifier. Circuit, components and image by Christoph Petermann DF9CY

Tunekit - Filter Tuning Kit for Windows is a electronic filter synthesis program and a practical filter tuning aid for actually designing and building a working filter

TVI and BCI Filters - TVI and BCI bandpass and bandstop filters in SMD technique. Schematics and images.

50 MHz Transverter idea - Complete 144/50 MHz transverter with GaAs Fet LNA and 400 mW out. No printed circuit board. Schematics and images by Christoph Petermann DF9CY