75 rtty

A Stealthy 75 meter antenna - The 75 meter dipole at K7ZB was put up to meet the need for making contacts with friends in the Southwest and Southern California. As usual, it had to be put up so no one can see it from the surrounding neighborhood.

The flower pot antenna - A portable dual-band antenna working principally on 10 meters but also close to the 30 meter band. It’s compact, light, economical and doesn’t need any radial.

Broadbanding the half-square on 80 meters - N6LF discusses a simple way to broadband the classic half-square antenna to operate in both the CW and SSB DX windows on 80/75 meters.

75 Meter Delta Loop Beam - A delta loop project for 75 meers band

160 m Balanced Coaxial Receiving Loop Antenna - KN4LF explanation of the 160 meter balanced coaxial receiving loop antenna, easily adaptable to a 40 and 80 meters band

W4AN SECC - South East Contest Club, devoted to amateur radio contesting; whether it be CW, SSB, RTTY, HF or VHF, Georgia USA

K6PV Palos Verdes Amateur Radio Club - Founded in June 1975, as the Rancho Palos Verdes Amateur Radio Association, the PVARC is a non-profit organization whose purpose is to further the exchange of information and cooperation among members. Rancho Palos Verdes, California

K6BB Big Bear ham radio club - The club was established in 1975 with the purpose to further the exchange of information and cooperation between members, to promote knowledge, to prepare for service in the community in time of disaster or need for emergency communications,

Northern Illinois Radio Portal Priority listing - Amateur Radio web based forum

3840 Audio Archives Priority listing - 80/75 meter Amateur Radio recordings via various online tuners.

Setting up a live broadcast on the internet

Television History - The First 75 Years, learn about the history of TV-set design, development and marketing.

Adjusting Filters for PSK31 - Screen shots of what happens when you do and don't get it right. By Dick Stevens, N1RCT, a very clear, helpfull and comprehensive document.

The Noise Floor - The noise floor: 1750 meter lowfer and medfer resource

Illustrations of a RTTY Problem - Bad Vibes, a N1CRT illustrations of a RTTY problem

DX-Stations Guide to RTTY Operations - This guideline should help you in preparing your dxpedition and make the most out of RTTY.

How to work a RTTY pileup - Tips and tricks on working RTTY pileups by G0AZT

Getting started on RTTY - A complete guide from the station setup, rtty software customization, tips on tuning rtty signals and setting the proper audio level and filters by Andrew G8GNI M5AEX

Drake Manuals - R-4A, R-4C, TR-4C, SW-4A, 4-NB , RV-4C, RV-7, PS-7, SP-75, R-8B, SPR-4, SW-8, Qx-er, AUX-7, T-4XC Owner & Service manuals

ICOM 746 Temperature Measurements - The ICOM 746-Pro has acquired a history of NEC 1678G (IC-151) MMIC and driver transistor 2SK2975 failures. The failure of IC-151 appears to be a combination of ESD damage from electrostatic charge on the antenna entering IC-151, and perhaps thermal heat.

cocoaModem - CocoaModem is an opensource MacOS X 10.4 application which implements modems (modulator-demodulators) for RTTY PSK MFSK Hellschreiber CW SITOR HF-FAX provided by W7AY

DarwinPSK - DarwinPsk is free to licensed ham radio operators and is a great application for PSK and RTTY communications under MacOSX

ICOM OCX - CI-V OCX For The Icom 756Pro allow you to interface your own application or visual basic, excel, word or similar custom applications to your icom radio.

Pro Mem Edit - Pro Mem Edit for Win98 (others not tested, but should work) is a small program to read, edit and store the memories of the 756Pro, 756Pro2.

Pro Key Set - This small program helps you to edit the CW memories of your Icom 756Pro, 756Pro2, 746 or 746Pro rig. On startup it reads the current memory contents and displays it. You can edit the text and store the memories individually or all 4 together