rep design
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Antennas : 40M : 40 meter Magnetic Loop Antennas- Portable Magnetic Loop Antenna Version 2
- A simple multi-band magnetic loop antenna designed for 20, 30 and 40 metres. For its size, the performance of the antenna always astounds me, although it is never going to replace a Yagi
[ Hits: 5347 | Votes: 1 | Rating: 10 ]
- 50MHz long-yagi antenna
- Design a 50MHz long-yagi antenna by PA3FGA
[ Hits: 572 | Votes: 2 | Rating: 3.5 ]
- A 16 Turn S-Band Helix
- This design represents the smallest practical antenna for Oscar-13 mode-S. Perfect beacon reception at all times is possible, and acceptable SSB even at 43,000 km range.
[ Hits: 8906 | Votes: 4 | Rating: 7.5 ]
- Plumbers Delight J Pole Antenna Project
- This article was reprinted to assist new hams at building their own 2 metre antenna. This design is very rugged and can be built for a few dollars with most of the parts available at your local Home Depot.
[ Hits: 5079 | Votes: 2 | Rating: 9 ]
- 2 Meter 5 Element Quad
- A five element quad antenna for 144 MHz DIY Project.
This 2 Meter 5 Element Quad antenna was modeled using EZNEC, with a boom from a UHF TV antenna and CPVC pipe for spreaders. Constructed for 146MHz, it exhibits a gain of 10.7dB and an impedance of 75 ohms. Real-world results surpass the HT antenna, reaching over 20 repeaters up to 75 miles away. The design, costing around $10, employs simple tools for assembly.
[ Hits: 1882 | Votes: 9 | Rating: 6.23 ]
- Yagi-Uda Antenna
- The Yagi-Uda antenna, information on basic design, project and measure of Yagi-Uda antenna, include free repository/sample of beam antenna.
[ Hits: 1328 | Votes: 6 | Rating: 7.67 ]
- The Electchester VHF Club
- The electchester vhf club is located in flushing, queens, ny and operates an arrl coordinated, 2 meter, vhf repeater designed for amateur (ham) radio use.
[ Hits: 566 | Votes: 1 | Rating: 5 ]
- Official W1UL Ham Cram Website
- The Ham Cram method is designed to prepare you for the FCC tests in the shortest time possible giving you the highest level of confidence. It's totally free.
[ Hits: 518 | Votes: 2 | Rating: 10 ]
- Argent Data Systems
- Small company based in Santa Maria, California, designing and manufacturing electronic products for amateur radio, education, and commercial users. Product line includes APRS devices for real-time vehicle tracking, weather monitoring, and remote telemetry, as well as the ADS-SR1 Simplex Repeater, the ADS-WS1 Weather Station, the SSTVCAM slow-scan TV camera, and GTRANS protocol translator for Garmin FMI.
[ Hits: 208 | Votes: 0 | Rating: 0 ]
- REP Design
- manufacture and sell unique, high quality, amateur radio products like HF and VHF antenna mounts
[ Hits: 1106 | Votes: 2 | Rating: 5.5 ]
- The KO6YD Screwdriver Antenna Memory
- The Screwdriver Antenna Memory (SAM) product is designed to enhance the mobile antenna commonly called the "Screw Driver". It replaces your current control unit and provides an automated memory feature that eliminates the visual coil tuning method commonly used.
[ Hits: 3096 | Votes: 4 | Rating: 7.5 ]
- Apache Labs
- The ANAN series SDRs are based on the OpenHPSDR open source designs, these are 4th generation radios and represent the state-of-the-art in current Amateur radio SDR design.
[ Hits: 666 | Votes: 3 | Rating: 9.33 ]
- The ElectroMagnetic spectrum
- Excellent poster representing the electromagnetic spectrum from 31.2 mHz to 6.52 EHz, PDF file poster designed by Anthony Tekatch
[ Hits: 2179 | Votes: 6 | Rating: 6.67 ]
- Q15X25
- Q15X25 is a packet modem with a KISS/AX.25 interface designed for HF transmission of AX.25 packets and TCP/IP using Automatic Repeat reQuest (ARQ) and forward error correction (FEC).
[ Hits: 704 | Votes: 1 | Rating: 1 ]
- RadioLabs - Radio, Wireless and Beyond
- Specialize in engineering, design and repair of all rf equipment. Dealer for two way radios, scanners, shortwave radios, wi-fi antennas, wifi amplifiers. Based in Fortuna, California.
[ Hits: 830 | Votes: 5 | Rating: 5.8 ]
- MrHamRadio.com - Custom Printed T-Shirts
- Custom Design T-Shirt with No Minimum order (you can buy just 1) and NO Setup Fee.
Will transfer your Favorite Images from JPEG's and E-mail attachments and from photo prints to Custom T-shirts with unbelievable Crispiness and Clarity of true Color Reproduction. Our image transfer paper is 11.5" x 8" heavy duty industrial grade.
[ Hits: 1138 | Votes: 1 | Rating: 10 ]
- D-RATS
- D-RATS is a small application designed to provide data communication capabilities with D-STAR radios. It supports text chatting, file transfers, position reporting and mapping, and much more! It is written in Python using GTK to run on multiple platforms.
[ Hits: 7401 | Votes: 20 | Rating: 6.61 ]
- DXbase
- Commercial amateur radio logging software for windows. Full featured logging, HF radio control, Internet Packet, VHF Packet, Label Designer, Report Designer, and a lot more.
[ Hits: 8362 | Votes: 35 | Rating: 7.56 ]
- WSPR
- WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions. Stations with internet access can automatically upload their reception reports to a central db
[ Hits: 1729 | Votes: 3 | Rating: 9.33 ]
- VHF UHF cross band repeater
- Pictures and project design of a crossband VHF UHF repeater by LY3H
[ Hits: 812 | Votes: 1 | Rating: 4 ]
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