download hrd 4.0 sp4 kit

Emergency J-Pole VHF/UHF Flexible Antenna - This is a flexible antenna that is easy to build, inexpensive and very handy to have in your emergency communications kit.

Combat Radio - Buy old manuals, military radios, kits, receivers online shop

ON6DP QSL-Manager-Database - Qsl manager database files to download in multiple formats along to IOTA reference and other utilities

C6 Bahamas - Sand Dollar Villa is equipped with two antennas and two power supplies, and an extensive tool kit. Has proven to be an excellent spot for people on vacation who also like to engage in casual DX ham radio operation.

US HF Amateur Bands - US ham radio band plan in pdf available for download and print

Kits and Parts dot Com - Supplying Toroids, Electronic Parts and Kits to Engineers, Schools and Hobbyists

QRPKits - Hendricks QRP Kits is a company that specializes in high quality, low cost QRP Kits

ITU Zones map - A PDF File of ITU zones made available by Icom America

CQ Zones World Map - A PDF file of CQ Zones made available by Icom America.

PD5DP Ham Radio Manuals - Another collection of manuals to download offered by PD5DP. Includes ham radio manuals for Icom, Kenwood, Yaesu, Diamond and AOR products

Kenwood manuals - Many of Kenwood’s instruction manuals are available for download. Manuals are in PDF.

HeathKit SB200 Mods - SB-200 Notes, SB-200 mods schematic. SB-200 mods photos

ICOM 746 Temperature Measurements - The ICOM 746-Pro has acquired a history of NEC 1678G (IC-151) MMIC and driver transistor 2SK2975 failures. The failure of IC-151 appears to be a combination of ESD damage from electrostatic charge on the antenna entering IC-151, and perhaps thermal heat.

TS-850 service manual - Here is the Service Manual for the Kenwood TS-850 Transceiver split into four parts for download. TS-850 instruction manual also available

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

Crystal Radio Supply - Offering Crystal Radios, Kits, Parts, and Supplies for the Radio enthusiast. Your source for free powered radios.

Alpha Amplifier Upgrades - Alpha 77D,DX,SX, Alpha 76, Alpha 78 and 374 repair service and upgrade kits

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.

Amateur Radio Repeater Directory - Amateur Radio Repeater Listings at your fingertips for the first time on your PDA

Rapido - Rapido will provide an automatic download of a JPEG picture from the internet at a certain time interval and show the picture on screen. In addition it allows you to save the downloaded picture on disk.

Fast Morse - Macintosh morse code software, Fast Morse will convert any text you enter into the original Morse code equivalent, and play it on your speakers. The speed can be adjusted to anything from 1 to 35 words per minute if your computer can keep up, allowing you to send Morse signals at a rate your friends and fellow Morse enthusiasts can follow!

Morse Code translator widget - Macintosh widget converts text to Morse code and vice versa

MacTNC - MacTNC is simple, configurable terminal software used by amateur (ham) radio operators to control a TNC (terminal node controller). MacTNC performs most of the same functions of other terminal software, but includes buttons for standard commands, and allows the user to configure additional buttons for special purposes. MacTNC works only user Mac OS X because it relies on Unix components of the current operating system.

Ham Log - Ham Log is an easy to use yet powerful QSO logging utility for all devices running Palm OS. Ham Log's design and functionality was designed to meet my needs when mobile and away from my home station.

Ham Fan - A free small database program for Palm OS that allows you to log ham radio contacts. You can log the call sign, name, date, time and frequency of the contact.