phone app

A Sleep Strategy for DX Contesting - Sleeping tecniques during contest operations. This article originally appeared in the National Contest Journal.

AZDEN - Makes a wide range of portable and AC-powered wireless microphones

Metal Cable - Distributors of specialty metals, electricial wire & cable, and high capacity magnet mounts for government and business. Stainless steel bars and rods for nuclear applications.

Shakespeare CB antennas - Shakespeare Composites & Electronics Division manufactures a complete line of unmatched CB, CB marine, and military antennas for a veriety of applications.

Zetagi  ^pop - Zetagi amplifiers, accessories, power supplies, microphones, SWR and power meters, battery charges

Broadcast microwave services - Designs and manufactures a comprehensive line of microwave communications equipment for television broadcast, video, telemetry, and electronic surveillance applications.

Autocode - Autocode makes a selection of fine morse code identifiers for commercial and amateur radio applications.

Hamtronics, Inc. VHF/UHF FM Receivers - A full line of single-channel synthesized and crystal controlled vhf and uhf fm receivers. Great for repeaters, telemetry, and control applications.

Advanced Communication Sys - Repeaters, transmitters and receivers manufacturer for ham radio and commercial applications

Pacific Research Solutions - Repeater Controllers, Repeater Tone Panels, Telephone Interface, Remote Monitoring Systems, Process Control and TDS Monitors

Connect System - Controllers and Telephone interconnects.

Heil Sound - Microphones, headsets and accessories

GB Antennas and towers - HF VHF/UHF yagi and quad antennas, towers and headphones manufactured in holland

QTH Locator and Calculator - Calculate bearing and distance and Locator online with this Java application.

The GARP applet - Geographical atlas using radial projection

Radio Alphabet - Listen to phonetics recommended by the International Telecommunication Union, or ITU.

World Time Zone Map - Time zone map by U.S. Naval Observatory Astronomical Applications Department

ATCO - ATCO Group Inc, originally organized in 1980, is located in the Columbus, Ohio area and serves approximately 50 ATV'ers within a 50 mile radius

How to receive WX satellite - APT & HRPT wx satellite picture recieving. Homemade hardware and recievers

Electronic Goldmine - Electronic components dealer, semiconductors, switches, leds, motors, solar energy, ferrites, toroids, capacitors, batteries, jacks and plugs, microphones, meters, power supplies, speakers, transformers, wire and more

SA Watch - SA Watch allows you to monitor and analyze the wandering that your GPS receiver appears to do when it is at a fixed location

RadioTelephone Tutor - Helps you study for the Ham Radio & FCC GROL exams. Often times, test questions are worded in ways; that fool you. RadioTelephone Tutor drills on missed questions, till you know the answers backwards and forwards. Can take entire question pools in straight, or random order. Creates a practice test; which represents what you would be given in a real exam.

MorseDec - Macintosh application that decodes morse code into text, PPC and 68K

Morse Code teaching machine - Source code for morse training program and a ready-to-use compiled application morse.exe

Ham DX Cluster for iPhone - An iPhone and iPod touch DX Cluster client