red 2 port

34 links

A 6m portable 4 element quad - This antenna is based on a design for a portable 2 element 6m Quad by VE7CA, which is featured in the 19th Edition of the ARRL Antenna Handbook
[ Hits: 6618 | Votes: 21 | Rating: 8.35 ]

160/80m Coaxial Receiving Loop Antennas ^pop - Receiving loop antenna for top band. This antenna allow to reduce noise on both bands. The stand alone 80m loop is approximately four feet in diameter. And made of light weight material. Which makes it ideal for portable use or you can mount it above a pre-existing vhf antenna, and due to it's small size it is quite rotatable.
[ Hits: 65116 | Votes: 61 | Rating: 5.89 ]
A loop antenna for 7 MHz to 30 MHz - This note describes a relatively small, but efficient, loop antenna initially created for portable operation. With suitable modifications, it can be adapted for fixed station use. In this age of CC&Rs, an antenna similar to this may very well be the answer to your problems. Have a look, be inspired, get out the torch / soldering iron and create your own version!
[ Hits: 2452 | Votes: 8 | Rating: 7.25 ]

The Easy Way Antenna Systems - This document is a must read for anyone considering building a good low cost HF multi-band antenna system. The author combine in this document four important ingredients to produce simple but effective antenna system, like antennas of non resonant length, line attenuation, the transmatch and the balun
[ Hits: 632 | Votes: 2 | Rating: 4.5 ]

The K2AV FCP Single Wire Folded CounterPoise - Efficient Low Band Counterpoise for Restricted Circumstances Loss Avoidance Opportunities and Techniques for the Low Bands The short and linear FCP was designed to reduce ground losses from inadequate radial systems beneath inverted L and other vertical antennas.
[ Hits: 283 | Votes: 0 | Rating: 0 ]

Vintage QSL Collection - This website was originally inspired by the discovery of a number of QSL (radio reception report) cards dating from the 1920s and is intended to make images of the cards available to as many people as possible.
[ Hits: 397 | Votes: 0 | Rating: 0 ]

NPR New Packet Radio - IP over 430 MHz - NPR (New Packet Radio) is a custom amateur radio digital protocol, designed by F4HDK to transport bidirectional IP trafic over radio links on the 70cm band. This IP protocol is optimized for point-to-multipoint topology, with the help of managed-TDMA. Bitrate is up to 500kbps. Home Made modem has a built-in ethernet port to connect to PC. To boost power a DMR amplifier is required to reach 20W. This project is an extension of HSMM - Hamnet - AREDN networks
[ Hits: 151 | Votes: 0 | Rating: 0 ]

HF Portable Ops Solar Powered - An interesting article about amateur radio portable operations with excellent pictures. Setup includes a 60 watts of portable solar power being controlled by a charge controller, and a batteries powering an FT-897D.
[ Hits: 433 | Votes: 1 | Rating: 10 ]

Ameritron AL-82 Review - Review of Ameritron AL-82 HF amplifier, owned for three years now, and over that time, it has given me incredible performance on all bands. Inclueds a comprehensive usage report and a summary on Pro and Cons of this amateur radio RF amplifier
[ Hits: 172 | Votes: 3 | Rating: 8.67 ]

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
[ Hits: 3741 | Votes: 5 | Rating: 5.2 ]

A 2.3GHz to 432MHz receiver converter - Receiver converter that can be plugged to the backside of the Yaesu FT-817 battery powered portable transceiver
[ Hits: 1496 | Votes: 3 | Rating: 4 ]

SSTV Pal Multimode - SstvPal Multimode, predecessor of EasyPal not supported anymore by Erik Sundstrup
[ Hits: 3401 | Votes: 16 | Rating: 4.87 ]

LoTW to Logger32 Credits - Free windows program that download data from LoTW and modify an ADIF file exported from Logger32. This utility downloads data from LoTW and save data in the correct format required by Logger32. This program can be used instead of original ARRL scraper.exe tool.
[ Hits: 465 | Votes: 0 | Rating: 0 ]

CQ Log - CQLog is a powerful logging program for Windows. It provides a comprehensive control centre for everyday on-the-air activities, including: full-featured logging of QSOs; statistics for many awards (for LoTW and eQSL capability); support for QRZ, RAC, GOLIST databases. You can save up to 3 pictures for each SSTV-QSO. Two-way data exchange with MixW2, and DigiPan. Integrates with DX Atlas. Real-time upload of QSOs to eQSL.cc. The program also offers a "contest-mode"; supports CAT systems for YAESU, ICOM, KENWOOD, Ten-Tec. Prints QSL cards, and QSL labels, addresses envelopes.
[ Hits: 15490 | Votes: 129 | Rating: 7.7 ]

RUMLog - RUMlog is a fully featured general ham radio logbook program, with contest logging capability and QSL handling/printing tool for MacOSX. RUMlog is free to download and can interface with most popular Icom Elecraft Yaesu Kenwood Transceiver, and CW keyers. Offer mapping, Dx cluster, check, import export, and many functions commonly available on most popular logbook programs.
[ Hits: 1375 | Votes: 2 | Rating: 10 ]

Morse Maker - MorseMaker is an up-to-date replacement for the Morse Machine shown further down this page. It has been re-written using a different programming language and is now entirely 'stand-alone' requiring no run-time support files. This version also works with Windows XP and can use the soundcard but please note that, unlike its predecessor, it does not split the alphabet into smaller 'learning' blocks and does not incorporate the Morse reader.
[ Hits: 2392 | Votes: 9 | Rating: 6.23 ]

SPLAT! for Windows - This free software is useful for visualizing terrain and performing Longley-Rice path loss and coverage prediction using the Irregular Terrain Model. A Windows port of the Linux-based SPLAT by John Magliacane.
[ Hits: 9507 | Votes: 42 | Rating: 6.48 ]

RxPlus - A full featured Receiver Controller for TenTec Rx320 with Audio Processor, digital modes decoder, ILG DataBase Manager and much more. Support for Drake R8A/B,ICOM PCR-1000, ICOM R756Pro and ICOM R756 Pro I ICOM IC-R75, JRC NRD-535, Kenwood R5000, TenTec RX320(D) and TenTec RX350D receivers
[ Hits: 5030 | Votes: 14 | Rating: 6.29 ]

Radio in a box project - The original purpose was to provide a radio system that could go anywhere, yet be stored easily in a compact space. This project morphed into a portable radio shack to be used for EMCOMM, Field Days or home base station by K7RFH
[ Hits: 2855 | Votes: 11 | Rating: 7.55 ]

NHRC-2 Based Repeater Controller - NHRC-2 Based Repeater Controller A perfect controller for a simple repeater or link, or portable/solar powered system.
[ Hits: 580 | Votes: 3 | Rating: 7 ]