- Roger Beep
- This article describes a simple device to generate Roger Beep tones.
[ Hits: 1628 | Votes: 5 | Rating: 6.6 ]
- Rookey Kit
- Encode/decode On-Off audio pulses for remote control of projects
[ Hits: 332 | Votes: 1 | Rating: 2 ]
- RS232 Interface
- This simple circuit is intended for older Kenwood radios and was presented in chapter 22 of the ARRL Handbook.
[ Hits: 2286 | Votes: 3 | Rating: 7 ]
- RS232 interface for Kenwood rigs
- SS232K - The simple and safe RS232 interface for Kenwood radios
[ Hits: 1085 | Votes: 8 | Rating: 7.25 ]
- S51KQ paradise
- ATV, FM, Ax25 and more. Ham radio projects , pictures,... 80MB online
[ Hits: 3185 | Votes: 12 | Rating: 8 ]
- SARK100 Antenna Analyzer
- The SARK100 Antenna Analyzer it is yet another antenna analyzer but available in kit form and designed to be easy to assemble and with an affordable pricing.
[ Hits: 1841 | Votes: 3 | Rating: 1.33 ]
- SM0VPO Homebrew pages
pop
- Harry Lythall SM0VPO/G4VVJ homebrew web site, contains several projects, antenna notes and plans, receivers and transmitters plans, regularly updated.
[ Hits: 29831 | Votes: 97 | Rating: 7.78 ]
- Small AM Transmitter
- A quick and dirty 1MHz transmitter to send old music into old radios
[ Hits: 716 | Votes: 3 | Rating: 9.33 ]
- Soldering guide
- Guide to soldering an desoldering
[ Hits: 864 | Votes: 3 | Rating: 9.33 ]
- Some good ideas for a big Delta Loop antenna
- A 3 element DELTA LOOP on 20 meter, 4 on 15 and 5 on 10: my new beam (Just some good ideas)
[ Hits: 7713 | Votes: 1 | Rating: 10 ]
- Strange CW keys
- Very strange morse keyers, like Onion chopper CW key, Handshake CW key, Chopsticks CW key, Typewriter CW keyboard, Refrigerator CW key by OH6DC
[ Hits: 2760 | Votes: 5 | Rating: 10 ]
- SV1BSX Homebrew Corner
- Offer a wide range of homebrewing projects mainly for VHF UHF operations. From vhf antennas to preamplifiers, chargers and power supplies
[ Hits: 1503 | Votes: 9 | Rating: 9.78 ]
- Tenna Dipper Kit
- The "Tenna Dipper" is a low power antenna analyzer and ATU tuning aid. With this handy accessory, you can determine the 50 Ohm resonance frequency of antennas or you can adjust your antenna tuner for a 50 Ohm match without generating QRM
[ Hits: 4032 | Votes: 4 | Rating: 3.25 ]
- The 6CL6-807 Transmitter
- This page is a detailed description of a 6CL6 and 807 valve transmitter. The page includes the complete circuit diagram to build this transmitter and several pictures
[ Hits: 242 | Votes: 1 | Rating: 10 ]
- The Egg A Plumbers PTT Switch
- A PTT switch from Home Depot parts
[ Hits: 481 | Votes: 0 | Rating: 0 ]
- The MGM Interface
- General purpose RTX-PC sound card Interface for MGM (Machine Generated Modulation)
[ Hits: 512 | Votes: 1 | Rating: 10 ]
- The Old Radio Builder
- This site is dedicated to those who enjoy building radios and other electronic devices using parts and techniques from bygone eras.
[ Hits: 678 | Votes: 2 | Rating: 10 ]
- The Repeater Builder's Technical Information
- If you want to build a repeater, this is the right place to start. Includes construction projects and reviews of repeater hardware available in the market.
[ Hits: 1869 | Votes: 1 | Rating: 8 ]
- The Super Sixty transceiver
- The 'Super-Sixty' a 5 MHz 60 meters band transmitter & receive converter
[ Hits: 1306 | Votes: 0 | Rating: 0 ]
- The Woodpecker Tuning aid
- This little gadget is that it allows you to tune up at full peak output power, whilst limiting the average power to a fraction of the peak, thereby protecting the PA from meltdown
[ Hits: 4239 | Votes: 2 | Rating: 7.5 ]
- Thermal cooling fan controller
- N1HFX thermal coolin fan controller project
[ Hits: 440 | Votes: 2 | Rating: 10 ]
- Toroid Winding
- Winding Toroids can be a real hassle for those of use who are left-handed or not so dexterous as we once were.
[ Hits: 3596 | Votes: 5 | Rating: 7.8 ]
- Unsoldering old electronic components
- how to easy and quickly unsolder and recover electronic components from old electronic board (SMD and not) by iz7ath Talino
[ Hits: 2876 | Votes: 1 | Rating: 7 ]
- Visual CW Tuning Indicator
- The Visible CW Tuning Indicator flashes an LED when the signal is properly tuned by Bob Wolbert, K6XX
[ Hits: 1072 | Votes: 0 | Rating: 0 ]
- VK5JST Aerial Analyser
- This antenna anlyzer project was published in the May 2005 issue of the Australian magazine "Amateur Radio", and has been designed using parts which are very readily available
[ Hits: 3055 | Votes: 8 | Rating: 7.26 ]
- W8JI Technical pages
- Amplifier, vacuum tube, receiving beverage loop vertical and transmitting antenna system technical information radiation resistance, EH antenna, noise,receivers, and information on keyclicks.
[ Hits: 22119 | Votes: 37 | Rating: 8.3 ]
- Wavemeter for Two and 70cm
- G8ACC article project for a 144 & 430 MHz wavemeter
[ Hits: 584 | Votes: 1 | Rating: 10 ]
- Winding coils
- winding coils for construction project
[ Hits: 753 | Votes: 1 | Rating: 4 ]
- Winding Toroids
- A Guide to safely wind toroidal cores by vu2fd
[ Hits: 2411 | Votes: 1 | Rating: 10 ]
- Winding Transformers
- Rolling your own transformers and chokes
[ Hits: 577 | Votes: 0 | Rating: 0 ]
- WN2A Homebrew Heaven
pop
- Stuff for Homebrewer
[ Hits: 41038 | Votes: 25 | Rating: 6 ]
- WV7U.com - Hank's Amp Pages
- WV7U's YC156 and 3CPX800 amplifier projects. Everything you wanted to know about using the YC156 or 3CPX800 in a ham radio linear amplifier. See pictures, schematics, test data, links, and more!
[ Hits: 1730 | Votes: 2 | Rating: 9.5 ]
- Yagi Element Mounting Considerations
- One of the most important considerations when designing and building a Yagi antenna is the method used to attach the elements to a boom. This is true because the boom influences the electrical length of the elements. In this article JH Reisert explain with drawings techniques on mounting yagi antenna elements to a boom
[ Hits: 4294 | Votes: 2 | Rating: 8.5 ]
- Z Match for Higher Power
- Single coil Z match witch handles the power of the linear amplifier
[ Hits: 3160 | Votes: 13 | Rating: 7.93 ]
