audio gate

2m 4-element Quad you can build - A 2m 4-element quad antenna that you can build easily

70cms and 2m Dual Band Aerial - A prototype antenna built using a single approx. 2.3 meter length of 4mm stainless steel wire

23cm 6-element Yagi design - A neat, 6-element yagi antenna for the 23cms band from DG2GAJ

A simple 3 ele yagi for 144Mhz - A very easy-to-build 3-element yagi antenna for the 144mhz band

Gippsland Gate Radio and Electronics Club - The Gippsland Gate Radio and Electronics Club Inc. (GGREC) is a group of amateur radio operators and electronics enthusiasts who promote all aspects of hobby telecommunications, computers and electronics

KRG Kidderminster Repeater Group - A non-profit organisation responsible for the maintenance of the GB3KD 144MHz VOIP Repeater, and KidderLink simplex gateway, plus the KIDDER packet radio node and GB7PZT bulletin board system.

Gateway Amateur Radio Club - Club in Cleveland, White County, Georgia, promoting friendship, mutual assistance, and learning.

UK Amateur Radio statistics 1975-2000 - The Amateur Radio statistics covering 1975-2000 and 2006-2010 have been made available on the web.

GB3DC Repeater live - Listen to the live audio stream from the GB3DC repeater

Council Bluffs area Police Scanner - Council Bluffs area Sheriff, Police, Fire, and State Police IOWA

Indiana State Police Live Scanner - Live steaming audio of Allen County Police & Fire dispatch and Indiana State Police dispatch.

Illinois - Chicago Police - Illinois Cook County, police scanner includes Chicago Fire Dispatch channels (North, South, and HazMat)

xggcomms.com Interfaces - Xggcomms specialise in producing cost effective, high quality CAT and Audio interfaces for Icom and Yaesu Amateur Radio Equipment

TinyTrak 4 and APRS - Tiny Trak 4 APRS and a new IGate

Drake TR-7 Improvements - Installing the Cumbria Designs X-Lock VFO Stabilizer, and Improving The TR7 Audio Quality

Fixed Audio Output for the K2 - W3FPR fixed level AF output fot the Elecraft K2

AO-51 on Baofeng UV-3R - A video of Clayton W5PFG trying his $60 Baofeng UV-3R handheld on the Amateur Radio satellite AO-51

Transistor PA Biasing - Here is a simple circuit that can deliver the peak base current needed for linear ssb operation

Transistor PA Biasing - Here is a simple circuit that can deliver the peak base current needed for linear ssb operation

Power Supply for Floating Pb Batteries - An easy-to-build power supply for floating pb batteries

144/432MHz Homebrew Antenna Diplexers - VHF UHF diplexer by G8MNY

DC RF Sensing PA Switching - Circuit for dc/rf sensing pa switching from g8mny

Non-relay instant RF Switching - Coax lines to do the RF switching. The advantages are instant switching, no power wasting DC control circuits.

Logic Probe - An easy-to-construct logic probe for the electronics enthusiast

Oscilloscope Tester - Circuit to assist in the setting-up and calibration of oscilloscopes