im calculator

Flags and Pennants - Excellent low-noise receive antennas originated by EA3VY and optimized for 160 meters by K6SE

Coax Balun - A very simple coax balun

A simple Wi-Fi Yagi  ^updated - Add two parasitic elements to the sleeve dipole of a Netgear Router

Lima Delta CB DX Group - Long Distance comunications in 11MT LD - official web site

Energy radio station Priority listing - Hompepage of the following stations, 295nrg101, 295zf1, 187zf1, 168nrg101, 15nrg101

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.

Democratic Rep. of Congo - ARAC - Association des Radio Amateurs du Congo

Denmark - EDR - Experimenterende Danske Radioamatoerer

Gibraltar - GARS - Gibraltar Amateur Radio Society

Mexico - FMRE - Federacion Mexicana de Radio Experimentadores

PA3BTL Henk - Home page of PA3BTL with information on Linux, packet radio, sattellite keppler data links, Proxim RangeLAN2 2.4 GHz radio's, Lucent WaveLAN 2.4 GHz radio's and link to LXE homepage

QTH Locator and Calculator - Calculate bearing and distance and Locator online with this Java application.

Grid Locator and Grid Square - About grid locators and grid squares, includes links to locator and grid square calculators

Maidenhead Locator Calculator - On-line calculator for Maidenhead locator calculations. It will work out your Maidenhead locator if you supply it with map references or calculate map references from your locator code.

WAZ Map - CQ DX Zones Gif Map

GridX - GRIDX, a BASIC program that calculates grid squares and Great Circle headings and grid.exe, a grid locator calculator

MacEME - Realtime moontracking for moonbounce enthusiasts EME

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.

WIM - General purpose image display and analysis program with special features for analyzing satellite images

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

GeoClock - GeoClock shows the current time (based on your computer's clock) with a high quality map of the earth. DOS Win95/98/NT shareware

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

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