rig expert

7 elements cross yagi antenna - A 7 elem. crossyagi the coppyright lies with PD0JMC and PA3HMP.

JA7KPI Windom antenna for 40-80 - The total length of this antenna is 41m, height is about 11m, and diameter of element is 2mm. JA7KPI modified this antenna originally used as Inverted-V type of 80m band Dipole. Works on 40 - 80 meters band with acceptable swr.

The YU7EF Duo Band Antenna - The original project of a dual band yagi antenna for 50 and 70 mhz, published on dubus 2/2007 by YU7EF

Coaxial cable dipole for 80m - Here are some simple antennas you can build along with calculators to help you get the right length.

C-Pole antenna calculator - Based on the original design by Brian Cake, KF2YN this online calculator let you find the correct dimensions for a cpole antenna

Automatic Band Decoders - To build a Band Decoder to drive our remote relays, we need to supply the band information from the rig to the decoder

Folding J-Pole Antenna - Also known as the Backpacker's Delight Antenna. This Folding J Pole Antenna is the original design of Mike Heiler KAĜZLG and was featured on the Front Cover of the March 2005 QST Magazine.

WARC 24 18 - 3 element Yagi Antenna - An old project by I1VCF for a 3 element yagi antenna originally designed for 10/15/20 and extended to 24 and 18 Mhz in Italian

BiQuad Antenna for 144/440 - This is a vertically polarized Broadside and Collinear Array each Loop is a vertically polarized Broadside Array both the right and the left side of the Loop is a bent 1/2 wave dipole working 180 degrees out of phase with the other one and that gives you 4.15dbi of gain by KE4UYP

PA3HMP Antenna Traps - An original way to build antenna traps

A 90 foot irrigation tubing vertical - Experimenting with making vertical antennas out of aluminum irrigation tubing.

Camden Antique Radio Service Priority listing - Expert, affordable antique radio repair, all home and auto vacuum tube radios, located just south of Atlanta Georgia

Halton Amateur Radio Club - The Club was originally a special interest group, locally formed under its mother Club, the Peel Amateur Radio Club of Brampton

RemoteHams.com - RemoteHams permit to display and/or control your rig on a webpage providing a web interface to radios supported by Ham Radio Deluxe & Shortwave Log!

Lashen Electronics - From connectivity for the home or small office and home theater cabling solutions to power management and protection as well as home and office sound and video solutions, lashen electronics has the tools and technology you need to do the job right.

The Repeater Builder's Technical Information - If you want to build a repeater, this is the right place to start. Includes construction projects and reviews of repeater hardware available in the market.

PickMyRig - Need to find you next Rig, can't decide which?? PickMyRig is here to help.

2 Element beam designer - This is a DOS program that will design a 2 element beam for a given frequency. The gain is about 6db's the front to back ratio is about 10 db's. The SWR will be about 1.8 to 1, so for transistor rigs a tuner is needed The only information required is the freq in MHZ..

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

ILG Rig Control - International listening guide (ILG) ILG Short Wave Radio Control Program

Bitscope Waveform Generator - Integrated DSP based waveform generator and timing for BitScope. Arbitrary waveforms, synchronized clocks and external triggers.

Hillar's Amp BTI LK-2000 Amplifier to gs35b - The BTI LK-2000 was originally a 3-1000z based amplifier, converted to a GS-35b.

Universal QRP Transmitter - Here's the homebrew Universal QRP transmitter adapted from work by Wes Hayward - W7ZOI. The circuit originally appeared in QRP Classics published in 1980 by the ARRL

Automotive Interference Problems - Installing mobile radios in your new megabucks car can be a frightening proposition - especially if RF from your rig could damage your shiny new roadster

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.