download accelerater plu

W3FF Portable Dipole  ^pop - This is the antenna w3ff designed for his walking portable station. It is a dipole constructed out of the plastic plumbing pipe CPVC. There are telescoping whips at the ends of each side of the dipole, and these whips are adjusted to bring the antenna into resonance on each of five HF Bands 10, 12, 15, 17, and 20 Meters

QFH antenna for weather satellite band - This article describes how to make a quadrifilar helix (QFH) antenna easily, from inexpensive materials: uPVC plumbing pipe and RG-58U co-axial cable

Amateur Radio Band Plan Layout  ^pop - Excellent free downloadable band plans layouts ready to print in pdf format by C.Gustave Sandberg W1CGS

LU9DPM Martin - Downloads, colleagues, links, manufacturers and more in English and Spanish

SoftRock-40 - The SoftRock-40 is a small, low-cost, good-performing "software defined radio" receiver that plugs into a computer USB port and delivers I-Q audio signals to the computer's sound card. It was designed by Tony Parks, KB9YIG and Bill Tracey, KD5TFD as an "SDR sampler project" for hams everywhere to easily try out software defined radio.

ESA Portal - Calling all radio amateurs Priority listing - Radio amateurs worldwide are being asked to help collect data from the student-built SSETI Express satellite, due to be placed in orbit on 27 September. To encourage them, ESA’s Education department has organised two competitions and is supplying free downloadable software.

HF Radio wave propagation - Radiowave propagation in the medium and high frequency spectrum in DOC format

Butternut manuals - Manuals of butternut antennas

Icom - Instruction Manuals - This page contains a complete list of all available Icom instruction manuals in PDF format by Icom America

Isotron antenna manulas - From this page you can download the following manuals, in Adobe Acrobat format .pdf, 40 Meter Isotron, 80 Meter Isotron

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

Yaesu FT-857 serial cable - Here is a serial control (CAT) cable that plugs into the FT-857's microphone jack, freeing the CAT/Linear jack for other purposes.

Yaesu VX-5R mods - VX-5R mods collected by QRZ.com

The Radio Reference - RadioReference.com, scanner frequency and radio communications reference source, with complete conventional frequency assignments, trunked radio system information, frequencies, and talkgroups, FCC License assignments and maps, 10-Code Lists, agency maps, files, downloads, links, and detailed agency information for most public safety, military, and local government activities.

TLE for windows - Transmission Line equations for Windows. Written in Visual C++. This program provides the most comprehensive analysis of a transmission line by w9dmk

SMCHR smit charts - The Smith Chart program with its extensive Help files. Written in Visual C++ ver 1.5, it runs in Windows 3.1 and later by w9dmk

SmartSmith - A smarter version of the Smith Chart program. It allows you to dynamically generate impedance point plots as you configure each design element of an impedance matching network. Has an extensive Help file with a Wizard that tells you what steps to take in designing a matching network for a given load impedance. Complete Windows installation kit by w9dmk

SWR Calculator - Computes the Standing Wave Ratio, given the power readings on a line.

DF9CY Project Auriga - PA is a JAVA software package containing several programs, SW/VHF/UHF Logbook (imports format from RADIOMAN, VMT), Log conversion to HTML format, Import and export functions for RADIOMAN, CT RES files, BV QSL Labels, CSV etc. Internet DX-Cluster support, Keeps track of your worked Callsigns, Checks your worked Grid Squares per band, Databases for worked Grids and Callsigns Uses K1EA CQWW.CTY country file, Easy command line version for terminal operation Moontracking as clock, Pathloss calculation

ADIF2CABR - Convert ADIF into Cabrillo log file format by SP7DQR

ScanCat Lite Plus - Scancat-Lite-Plus for Windows supports the memory programming for Radio Shack and Uniden Scanners

DJ-X3 Memory Management Utility - DJ-X3 Memory Management Utility - Edit Memory Bank channels (700). Upload / Download, Load / Save Memory Bank channel data, Full / Partial Reset of radio.

OZ2M - Beacon Keyer  ^updated - Circuit and software to build a beacon keyer, includes downloadable packages.

Recovering parts from surplus - What electronic parts you can recover from PC monitor, VCR, CD-ROM, FDD, HDD , Laptop, Motherboard, SmartCard reader or Printer

HF Rigs db comparison - XLS file with technical specifications about ham radio transceivers