rig expert

160 Meter Vertical - This is a 90 foot tall top loaded vertical for 160 meters. It is constructed from aluminum irrigation tubing and has four sets of four guys each by w7iuv

The zeppelin antenna for 50 Mhz - A end fed antenna used on the big zeppelin airships (thus the name ZEPPELIN antenna) of the 1930's where the wire trailed behind the dirigible.

Quadrafilar Helix antenna for 436 Mhz - This is an antenna that author just built. Was intend for receiving the AO-27 downlink (at 436.800 +/- doppler). It is built with right hand circular polarization, and the gain is supposed to be in the neighborhood of 3 DB.

Half wave collinear copper jpole - Two meters collinear j-pole antennas made with riggid copper pipe

N2CX on End-Fed Halfwave Antennas - This original N2CX article was first published in the 72 newsletter back in 1997 or 1998.

An improved 40-80 double extended zepp - Article originally published in ARRL compendium by N6LF revisits the classic double extended Zepp to improve pattern and SWR bandwidth. The DEZepp is essentially two end-fed collinear dipoles.

The K9AY Terminated Loop - A compact directional receiving antenna

Frankford Radio Club - The Frankford Radio Club originated in the Frankford High School, in Philadelphia, around 1927.

Colorado QSO Party - After some years of absence the Colorado QSO Party (COQP) is going to happen again. Mark you calendar, tune up your rig and point your antenna toward the Central Rocky Mountains and get ready for a fun time.

W6TO Fresno Amateur Radio Club - The Fresno Amateur Radio Club was originally founded in the early days of Amateur Radio as the San Joaquin Valley Radio Club and affiliated with the ARRL on April 5, 1934.

N1NC Nashoba Valley Amateur Radio Club - The Nashoba Valley Amateur Radio Club (NVARC) was formed in Groton, Massachusetts, in the spring of 1992 and has grown from the original 13 founders to over 60 members.

Battleship New Jersey Amateur Radio Station - Provide an educational and recreational organization whose purpose is to support the Home Port Alliance in providing technical expertise, skills and volunteer manning.

Tompkins County Amateur Radio Club - The Tompkins County Amateur Radio Club AF2AA is the present-day incarnation of the original Ithaca Mike and Key Club, started in the 1950's.

Strange CW keys - Very strange morse keyers, like Onion chopper CW key, Handshake CW key, Chopsticks CW key, Typewriter CW keyboard, Refrigerator CW key by OH6DC

DK5CZ AMA Antennas - AMA magnetic loop antennas, original Käferlein AMA, produced by funktechnik-beese based in Germany

Z-Time - The origin of the expression z-time, for greenwich mean time.

Kenwood TS-590S Picture - Rigpix page for Kenwood TS-590S

Kenwood/Trio - TS-850S - RigPix Database picture of the TS-850

RigPix Database - Yaesu - FT-847 - Picture and specifications of the Yaesu FT-847

FT-897D Modification sheet - Lot's of FT 897 modifications in a single PDF file

Right Channel Radios - Carry a wide selection of CB radios, CB radio antennas, mounting kits, CB radio mounting hardware, and related accessories.

Linrad - Multiplatoform freeware DSP software. Linrad has its origin in software that was developed for 144 MHz EME CW but it is quite general and should be seen more like a kit for designing a receiver that a receiver for some particular usage. It can be used as a CW receiver with a small time delay and a fast waterfall graph. A dsp for conventional receiver to imporve signals readability, a spectrum analyzer.

Grig Radio Control - Grig is a freeware simple Ham Radio control (CAT) program based on the Ham Radio Control Libraries (Hamlib). It is intended to be highly generic presenting the user to the same graphical user interface regardless of which radio is being controlled. Grig supports the most commonly used CAT commands that are implemented by Hamlib, and integrates well with other ham radio programs like Xlog and gMFSK. Grig has been developed on Linux, but has been ported on Mac and Windows OS.

HugeIcom - This is a very simple program which helps visually handicapped people to see the frequency and mode of the rig. Or maybe it's useful for demos, trade shows or similiar. It will work with any Icom except the IC-735.

Lightning Safety & Power Quality Issues - LightningProtection: Lightning Safety & Power Quality Issues. A moderated professional forum by recognized experts, for accurate technical information on lightning, surge and grounding information.