art simpson

Antenna Launching for Serious Practitioners - Over the years, I've been developing a negative relationship with trees. I'm all in favor of trees when they mind their own business in forests. It's when they purport to serve as antenna support structures that things fall apart. Russ AA7QU

900 MHz Helical Antenna - Photos and description of a homebrewed 900 Mhz antenna

QPR and portable antennas articles - This is a collection of articles, generally from QRP-L, about QRP operations and portable antennas

How to Put up a Portable Antenna - Putting up wire antennas is always a fun proposition. Sometimes it is fun for the participants and often fun for on-lookers. There are at least as many methods as there are folks putting up antennas.

Energy line 2000 - Solar power, biodiesel fuels, wind energy, streaming video, articles, news, and more. Renewable Energy and Emergency Communications by Terry McGleish

MicroSignals - MicroSignals produces a line of RF and IF signal processing components that offer high performance at an exceptional value. To achieve this MicroSignals began with an engineering team that possessed an excellent background in RF Transformer and Balun design.

What is QRP - To those new to the hobby of Amateur Radio, hearing the term QRP often raises questions: What is QRP? Why do some hams choose to operate QRP? How can I operate QRP? These are good questions, and all are worth asking. This article will attempt to answer these questions. by William Eric McFadden

G-tor - G-TOR is a trademark of Kantronics, Inc. G-TOR (Golay-Teleprinting Over Radio) can be viewed, in part, as a variant of the Automatic Link Establishment (ALE) protocol, outlined in MIL-STD-188-141A.

Mt-63 technical description - The MT-63 modem, constructed around a high speed DSP processor, either in a dedicated external DSP unit like the Motorola EVM, or in PC software using the PC sound card, transmits 64 tones spaced 15.625 Hz apart, in the 1 kHz bandwidth.

JT65 - JT65 is a digital protocol intended for Amateur Radio communication with extremely weak signals. It was designed to optimize Earth-Moon-Earth (EME) contacts on the VHF bands, and conforms efficiently to the established standards and procedures for such QSOs.

Icom IC-706 and SGC-230 - Connecting the SG-230 smartuner to the Icom IC-706 pdf file

Icom IC-706 schematic - Electronics service manual exchange, IC-706 service parts, schematics

Icom IC-718 review by KN4LF - Icom IC-718 article and website By KN4LF

Icom IC-746 impressions and mods. - This article is a follow-up of Dallas Lankford's article Icom IC-746 Pro: Impressions and Mods, published on www.kongsfjord.no and (partially) in the Swedish Short Wave Bulletin.

AARS - kenwood ts-2000 and accessories - Austin Amateur Radio Supply page on Kenwood TS-2000 and all accessories

ARRL: Kenwodd TS-2000 test results - ARRL Laboratory Expanded Test-Result Report Kenwood TS-2000 prepared by American Radio Relay League, Inc. Technical Department Laboratory in pdf format

Kenwood TS-2000: 12 khz IF Output - by LA8OKA Martin Storli

Yaesu FT-857 brochure - Yaesu PDF brouchure for FT-857 transceiver

Yaesu FTDX-5000 Manual Part 1 - FTDX-5000 Operating manual part 1

Radio review: Yaesu VX-150 - Scott Rutledge review

Yaesu VX-5R article - Smallest Tri band handheld transceiver Yaesu VX-5R article

Tips for shortwave radio beginners - Get the most out of the shortwave listening hobby. Follow these steps to get started with your new radio.

The smk-1 on 20m - Taking the venerable SMK-1 design to 20m and adding an RF amp, audio filter, and a TiCK Keyer ... by Wayne McFee, NB6M

Portable PSK Station - Color photos, schematic and diagrams for an article written by N2APB for Fall 2000 QRPp. Also the subject of a presentation made at the Pacificon QRP Forum in October 2000.An Integrated and Portable PSK Station for 80 & 20 without using a PC!

Pixie2 - Pixie-2 schematic and part lists