radio dj42 links
Antennas : 4M
- 4m Slim Jim Antenna
- This 4m Slim Jim Antenna is cheap and easy to build yet it greatly out performs the more usual dipole due to its low angle of radiation. An SWR of 1:1 is obtainable across the 4m ham radio FM band with a simple adjustment.
[ Hits: 1561 | Votes: 2 | Rating: 5.50 ]
- An Unusual Magnetic Antenna
- This article by OK1FOU describes how to build a relatively small loop antenna which can be placed for instance at the balcony. It is especially suitable for a two band antenna covering two adjacent amateur radio bands (10/14 MHz, 14/18, etc.)
[ Hits: 2873 | Votes: 1 | Rating: 1.00 ]
- Antique Radio Page
- The antique radio page is the best place to start if you want to learn about antique radios. this award-winning site features a huge image gallery with hundreds of antique radios (tube, transistor, and crystal sets), useful articles, reviews of out-of-print radio reference books, and the amazing arp directory where you can search and find antique radios on the web!
[ Hits: 8021 | Votes: 21 | Rating: 3.41 ]
- Market Reef 2011 OJ0UR DX pedition by PA5R/DJ5MO, PD9DX, ON8AK and ON5UR.
[ Hits: 100 | Votes: 0 | Rating: 0.00 ]
- J28RO Freddy
- Un radioamateur à Djibouti Personal Blog
[ Hits: 320 | Votes: 1 | Rating: 1.00 ]
- KD5SDJ Indian Territory Amateur Radio Society
- small but dedicated group of radio operators who primarily operate on a simplex on a frequency of 147.435
[ Hits: 185 | Votes: 0 | Rating: 0.00 ]
- Mortality statistics in Ham Radio Community
- To search for potentially carcinogenic effects of electromagnetic field exposures, the author conducted a population-based study of mortality in US amateur radio operators
[ Hits: 967 | Votes: 1 | Rating: 10.00 ]
- AOR Scanner Live from New Zealand
- An AOR AR-8200 Mk3 radio scanner live stream with remote control live from Wellington, New Zealand
[ Hits: 2064 | Votes: 15 | Rating: 4.20 ]
- Scorpion Antennas
- Custom built amateur radio adjustable antennas and accessories. Screwdriver antennas, antenna controllers
[ Hits: 2336 | Votes: 6 | Rating: 8.50 ]
- Amateur Radio Techniques
- RF Filters an adjustable j-pole antenna manufacturer based in greece
[ Hits: 543 | Votes: 0 | Rating: 0.00 ]
- Chinese VHF UHF handheld two-way radio manufacturer
[ Hits: 1103 | Votes: 3 | Rating: 3.33 ]
- TS-2000 mods by IV3SBE
- Kenwood TS-2000 service manual,software, adjust guide and firmware updates by iv3sbe
[ Hits: 1777 | Votes: 4 | Rating: 9.00 ]
- FT-817 Speech Processor
- A speech processor project and schematic for the FT-817 based on information taken from eHam and Ok1CDJ
[ Hits: 579 | Votes: 0 | Rating: 0.00 ]
- HD Elektronik DJ8UA
- Amateur Radio Dealer in Germany dealer for Icom Kenwood Yaesu Alinco and more.
[ Hits: 2452 | Votes: 6 | Rating: 3.50 ]
- Listening to DRM broadcasts
- Experiments with reception of digital shortwave broadcasts
[ Hits: 489 | Votes: 1 | Rating: 1.00 ]
- A freeware windows program with which radio amateurs can see which of the NCDXF beacons are transmitting at which frquency by DJ1ZN
[ Hits: 1597 | Votes: 1 | Rating: 10.00 ]
- KG-UV8D Programming Software
- Wouxun KG-UV8D Standard Programming Software. Used to adjust or expand the frequency range to the full authorized range of the radio and not beyond. 134-174MHz 400-519MHz This software will Not add the 2.5kHz step.
[ Hits: 272 | Votes: 2 | Rating: 10.00 ]
- Offset Attenuator for Radio Direction Finding
- Instead of acting directly on the incoming signal, an offset attenuator works by adjusting the strength of an offset signal
[ Hits: 822 | Votes: 1 | Rating: 7.00 ]
- QLF Filter
- Microprocessor based interface designed receives a signal from a Morse key, processes it, and re-transmits it to the radio. A microprocessor in the circuit is pre-programmed with a proprietary algorithm which makes a number of measurements and adjustments to the less percise human generated code.
[ Hits: 267 | Votes: 0 | Rating: 0.00 ]
- Using SWR Meter
- How to adjust your SWR on your radio and why.
[ Hits: 1358 | Votes: 1 | Rating: 2.00 ]
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