75 rtty

WB6ZQZ Triple Ratio Balun - This balun matches resonant antennas from 9 to 75 ohms without a tuner and provides RF isolation to keep the current off the transceiver case

Simple HF Baluns for 50/75 ohm coax - Show diagrams, winding methods and tables of some 1:1 and 4:1 baluns for 1.8 - 30 MHz suitable for use up to 200W (400W peak) on systems using 50 or 75 ohm coaxial cable input where SWR should not exceed 1.6:1.

75 meters mobile antenna - A mobile antenna for the 75 meters band by K0RWU

WWVB Loopstick Antenna - A loop antenna for receiving WWVB based on the Amidon R33-050-0750 Ferrite rod.

The Small Loop Project - AM loop antenna for 75/80 meters band

Antenna Tuning Units for better reception - For good Short Wave reception long aerial really is required to dig those distant stations out of the ether.

DRCG: DL-DX RTTY Contest - The contest ist sponsored by the DRCG

Hamilton Amateur Radio Club - The Hamilton Amateur Radio Club operates the VE3NCF repeater, 146.760- and 444.075+MHz. It is open for use by all Hams

NI4CE West Central Florida Group, Inc - Founded in 2001 to manage and operate West Central Florida's only regional linked amateur radio repeater system. Currently, the NI4CE Repeater System operates nine repeaters from five sites with more on the way. NI4CE covers all or parts of twelve counties in West Central Florida and provides mobile coverage along the areas I-75 and the I-4 corridors.

N200 835 Amateur Radio Group, Inc. - The Manahawkin Repeater since 1975

Long Island Amateur Radio Club - 575-Long Island Amateur Radio Simplex Club, Operating locally on 147.575 FM Simplex from Grid Square FN-30

W8LBZ Sandusky Radio Experimental League - The Sandusky Radio Experimental League Inc,(SREL), is a club of amateur radio operators in Northern Ohio. SREL sponsors the 53.35, 146.655 and 444.375 repeaters.

North Coast Contesters - NCC was formed in 1989 to further the efforts of contesters interested in the CQWW and ARRL DX contests. The member area of the club is a 175 mile circle that includes major parts of Ohio and Pennsylvania.

WR9ARC Riverland Amateur Radio Club - Repeaters: 146.970 444.475 La Crosse, Wisconsin

Pomona Electronics - Banana plugs, coaxial cable assemblies, patch cords, oscilloscope and DMM test lead and probe kits and accessories, IC test clips, boxes, RF connectors, XLR and 75-ohm cable assembly products.

AA1K Mobile operations - 51 countries worked on 160 meters, and 275 countries on all bands from the car using a KJ7U screwdriver for 160-6 meters

Heathkit SB-220 - The Heathkit SB-220, two 3-500Z, amplifier made a notable impact in the world of amateur radio when it debuted in 1975. Resources and modifications

ZLP Electronics - Yaesu Icom Kenwood CAT Interfaces. Isolated audio-DATA interfaces for ALL afsk DATA modes inc psk31 rtty sstv etc.

HF software digital modes for linux - This software allows a standard PC soundcard to be used as a shortwave data "modem". The whole processing is done on the main processor CPU. Support RTTY Amtor (Sitor) and Pactor 1 by Thomas Sailer, HB9JNX/AE4WA

Contact-Multi - Contact-Multi is a Freeware Multi Digital program for Windows (PSK, RTTY,FSK and MFSK). It provides a DXCluster, Diplomes,LogBook,Qsl's Print, statistics Shareware version available. English and Spanish version

KPOT - A russian multi mode ham radio software that support SSB, SSTV, CW , GMSK, FSK, FSK-W, BPSK, RTTY, MFSK.

CYBORG - Freeware windows RTTY PSK31 software decoder that allow logging, award tracking and qsl printing. By SQ1FTB

KWRTTY - Freeware RTTY windows decoding program in German by DGØKW, Klaus

ICOM Rig Control - Freeware amateur radio transceiver control program tested with IC-756 Pro.

PSK31 Interface - Fairly simple way to interface a computer soundcard to an HF rig to operate PSK31. This interface also works for SSTV & RTTY, and has been tested with a Kenwood TS-140.