m tech973 links - and 4 categories
Antennas : 2M
- Roll-up & Copper JPole antennas
- Roll-up and Copper Pipe J-Pole Antennas for 144 Mhz.
[ Hits: 4526 | Votes: 0 | Rating: 0.00 ]
- Setting the SWR of Your Antenna
- SWR (standing wave ratio), is a measurement of how efficiently your antenna system will radiate the power available from your radio. In simple terms, your radio would like to radiate all of its power, but can only do so if the other components cooperate
[ Hits: 1144 | Votes: 0 | Rating: 0.00 ]
- 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: 4082 | Votes: 1 | Rating: 10.00 ]
- A $20 HF mobile antenna
- A few hours of fun with PVC and wire and
you’ve got yourself a respectable road radiator. The antenna consists of little more than some PVC pipe topped by a RadioShack replacement whip antenna and a couple of coils made from a small roll of #14 house wire.
[ Hits: 9903 | Votes: 6 | Rating: 7.33 ]
- Maximum Usable Angle
- We are all familiar with Maximum usable frequency. Maximum usable angle is the other half of the maximum usable frequency equation.
[ Hits: 143 | Votes: 1 | Rating: 10.00 ]
- Transmitter Power, Antenna Gain, Coax Loss
- Understanding relatio among transmitter power, antenna gain, and coax loss Trade-offs by Ken Larson KJ6RZ
[ Hits: 3122 | Votes: 6 | Rating: 5.17 ]
- PJ2T - Caribbean Contesting Consortium
- The Caribbean Contesting Consortium is a contest club dedicated to fun, international friendship, and advancement of the contesting art through superior operating technique and maximum application of technology.
[ Hits: 359 | Votes: 0 | Rating: 0.00 ]
- The Society for the Preservation of Amateur Radio
- The Society for the Preservation of Amateur Radio is a non-partisan group of concerned amateur radio operators working together to ensure the vitality of the Amateur Radio Service by promoting technical abilities among Amateur Radio Operators. Includs a beginners guide booklet.
[ Hits: 2441 | Votes: 11 | Rating: 8.64 ]
- K6RF Streaming Video
- Live video and audio feed from K6RF ex K6DXC radio shack. Audio is from either the FT-920, FT-817 receivers or a microphone. Video is from a Logitech Pro-4000 Webcam
[ Hits: 18092 | Votes: 54 | Rating: 4.74 ]
- Live online streaming for arizona
- Listen to original audio content from Flagstaff, Coconino County and Northern Arizona. Streaming Police scanner by azradiowaves.net
[ Hits: 2998 | Votes: 13 | Rating: 4.70 ]
- About digital modes
- The digital modes provide a wonderful opportunity for those of us who would like to work on the HF bands but find CW too difficult and SSB phone prohibitive because of interference problems. The digital modes are easy to set up and get operating, require low power and a narrow band.
[ Hits: 7202 | Votes: 6 | Rating: 8.00 ]
- Bicycle-Mobile antenna
- WA5FRF VHF mobile antenna for bicycle installation
[ Hits: 5374 | Votes: 1 | Rating: 9.00 ]
- HRX80 80 meters receivers for APRS
- 80-meter peilontvanger / receiver includes printed circuit sample and list of components
[ Hits: 916 | Votes: 3 | Rating: 6.67 ]
- Communications products for hobbyist, industry and law enforcement, antennas, electronic kits, rf audio connectors, scanners. Ohio USA.
[ Hits: 687 | Votes: 0 | Rating: 0.00 ]
- CCRadioTech Uniden programming software
- Free windows control/programming software for the Uniden Bearcat UBC-3300XLT and 780XLT
[ Hits: 2104 | Votes: 8 | Rating: 6.25 ]
- DRM Software Radio Project
- The DRM Software Radio is based on the proven Fraunhofer DRM engine, which is considered to be the most advanced DRM engine today, built around fully licensed proprietary DRM encoding technology.
[ Hits: 3795 | Votes: 4 | Rating: 7.75 ]
- Spectra SDR Software Defined Radio
- Power Tools, communications architecture wireless mobile middleware tool
[ Hits: 2960 | Votes: 2 | Rating: 5.50 ]
- Precision Frequency Enthusiasts
- Frequency measurement for beginners, technical terms related to frequency measurement and accuracy, techniques and calibrating procedures.
[ Hits: 625 | Votes: 1 | Rating: 10.00 ]
- SDR - Software Defined Radio - Forum
- SDR Forum - organization dedicated to promoting the development, deployment and use of software defined radio technologies for advanced wireless systems.
[ Hits: 1880 | Votes: 0 | Rating: 0.00 ]
- FCC Facilitate SDR technology
- FCC adopts rule changes to faciliate deployment of Software Defined Radio technology
[ Hits: 516 | Votes: 0 | Rating: 0.00 ]
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