hl 60u circuit

CB DXPacific Propagation Priority listing - Eleven meter world-wide propagation predictions for South Pacific updated monthly. Also, Near Real-Time DX Monitor

The National Contest Journal - The National Contest Journal, published bimonthly by ARRL, features articles by top contesters, letters, hints, statistics, scores, NA Sprint and QSO Parties

HamNet UK - Ham radio resource for UK operators

Hellschreiber beacon project - This web site describes a low power beacon system to be used for propagation and performance tests on the lower bands. The beacon offers CW (on-off keyed) modes and FSK modes; the traditional Morse ID mode, and Feld-Hell, another highly noise immune CW mode.

Yaesu 920 & SoundCard - This circuit provides an interface between the Yaesu 920 transceiver and IBM computer sound card which allows data transfer and control of PSK31, RTTY, KEYBOARD CW, and SSTV modes for Amateur Radio

Sonne sunspot observations - Provisional sunspot numbers edited monthly by Martin Dillig

Monthly solar flux values - K.Schatten's table of predicted monthly solar flux values

QST Magazine - QST, ARRL's monthly membership journal

QEX - "QEX is the ARRL ""Forum for communications experimenters."" Published bimonthly, features technical articles, columns, and other items"

New Zealand Radio DX League - Specialising in MW, SW, FM, and Utility DX for 50 years from the Pacific DX paradise of New Zealand. Monthly magazine. Membership open to DXers worldwide.

Minnesota DX Club - The MDXC has monthly meeting in the Twin Cites. Coverage all bands from LW to UHF. We also have Summer and Winter DXpeditions.

Elise Software Corporation - Elise Software, OUTPUTMASTER, windows professional software for Printed circuit board, post processor, Gerbers, Drill files, ODB++, files generated fast and simply.

WA6EHL Morse programs - CODE-P, CODE-T morse code tutor programs shareware and freeware.

TrueTTY 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.

Zelscope  ^pop - Zelscope is a Windows software that converts your PC into a dual-trace storage oscilloscope and spectrum analyzer. It uses your computer's sound card as analog-to-digital converter, presenting a real-time waveform or spectrum of the signal - which can be music, speech, or output from an electronic circuit.

Ham Helper - Ham Helper is a tool that will help Ham Radio operators with many tasks. Features include UTC Time display, Callsign Country lookup, internet callsign lookup, band plans, W1AW schedule, bearing/distance calculation and more.

PLL2 - 2nd Order phase locked loop design for passive and active circuits. Bode plot, step response, design parameters

AAVoice digital voice processor Priority listing - "Digital voice processor for amateur radio operators. It use prepared ""wav""-files for transmition. Can work in the beacon mode. Optionally you can use simple circuit for PTT-control. It has a lot macros for tramsmitting. Can cooperate with RZ4AG AALog logger."

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

TS-440S Improvements - Various circuit improvements for the TS-440S by Richard L. Measures, AG6K

TS-430S Improvements - Circuit improvements for the TS-430S by Richard L. Measures, AG6K

TL-922 Improvements - Circuit improvements for the TL-922 by Richard L. Measures, AG6K

RS232 Interface - This simple circuit is intended for older Kenwood radios and was presented in chapter 22 of the ARRL Handbook.

30m QRP Transceiver kit - 38 Special, 30m QRP transceiver by Norcal QRP club, single super het receiver, full QSK with sidetone smoothly

Defpom CB and HAM radio mods  ^{updated  pop} - Circuit diagrams, CB and HAM mods, alignments, data sheets and pinouts, a massive site with over 600 pages of free info