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Hybrid Antennas - Antennas that use a combination of vertical and horizontal polarisation.

The Gain of the Axial-Mode Helix Antenna - by Dr. D.T. Emerson, National Radio Astronomy Observatory (NRAO++). Antenna Compendium Volume 4, pp 64-68, 1995, published by the ARRL.

N. American Data Communications Museum - Telephony technology from telegraph to digital transmission

Marconi Museum - Wireless radios from all eras Operating ham station - W1FGM Rivals museum at ARRL Hq.

Ham Radio QSO Parties - QSO Parties held around the area. Details about making the most of the many QSO Parties. A place where planning information, operating details and technical advantages are discussed

RA0FF LogSearch Collection - DXers and Contesters logs. Interactive Logs, Log Search, Logbooks collections.

Radio Society of Great Britain - The Headquarters site for the RSGB - representing UK amateur radio. News - Book Shop - Information.

PA3ANG Online Receivers - Control an ICOM PCR-100 and listen to the audio stream. This web controlled receiver si based in the Netherlands by PA3ANG and offer 10kHz - 1300MHz in AM, FM, FMW

WIMO - All kinds of antennas, RF connectors, radio transceivers and accessories like power supplies, morse keys, lowpass filters and so on.

A/D Technologies - A/D Technologies is a manufacturer and service company dedicated to providing unique and valuable products and services to ourcustomers.

Timeware tech. - Amateur Radio Products, Noise Reduction Filters, Data Controllers, deviation meter, Software, DSP-RTTY

Heros Technology Ltd - HF Radio Preselectors,BCB filters,Low Pass filters,Band Pass filter

Morsex - Keys and paddles by morsex

Parker Cases - Parker plastics shipping containers

Moon Calendar - Current moon phase and monthly moon calendar

Meteor scatter basics - Working DX on a Dead 50MHz Band using Meteor Scatter, by Palle Preben-Hansen, OZ1RH

Amateur Packet Radio Networking - Packet Radio Networking Information by CQ Magazine Packet Editor Buck Rogers, K4ABT

Satellite Tutorial - A good starting point to setup an Amateur Radio Satellite receiving system.

AMSAT Colorado - The Colorado AMSAT Net Page

NCDXF/IARU International Beacon Network - The NCDXF, in cooperation with the IARU, maintains a network of beacon stations which operate sequentially on five bands.

FDS Graphics - From as few as 125 full colour QSLs! Same great FDS quality.

Electronic Service Pros  ^{updated  pop} - HAM/Broadcast, Modifications & Repair, D-104 mods, TS-830 TS-530 mods

ProsKan KA1LPA - Dual screen, supports AVT modes,16 Milions col, auto call insert facilities.

GcmWin : Great Circle Map  ^pop - GCM is a freeware great circle map plotting software for windows, you can choose colours, scale, meridians, fields and or squares from the maidenhead locator system.

Ipmulse Systems - Impulse Systems offers several innovating products: F6FBB Language Editor and WinPack CoDec