l band
2313 links - and 15 categories
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Antennas : 160M- Receiving loop aerial for 1.8 MHz
- Bulding notes of a receiving loop antenna for 160 meters band
[ Hits: 4444 | Votes: 4 | Rating: 7.5 ]
- QM5 Yagi for 2 meters band
- The QM5 antenna is a simple 5 elements Yagi with 1.88 m boom length for the lower 144 MHz SSB/MGM band, I used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 9.17 dBd; i.e. 11.3 dB forward gain over the isotropic radiator, while the F/R is about 11.5 dB. Elements
[ Hits: 6869 | Votes: 4 | Rating: 5.25 ]
- A dipole for 6 meters band
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- Six meters band dipole horizontal or vertical
[ Hits: 30497 | Votes: 28 | Rating: 5.35 ]
- The Beverage Antenna Memorandum
- Memorandum on the Beverage Wave Antenna for Reception of Frequencies in the 550 - 1500 Kilocycle Band", FCC Report 9.2.1, by Benjamin Wolf and Adolph Andersen
[ Hits: 1251 | Votes: 0 | Rating: 0 ]
- Comparison of Beverage antenna
- A ranking of receiving antennas based on noise being evenly distributed in all directions. These rankings are most accurate in the frequency range of AM broadcast, 160 or 80 meter bands
[ Hits: 2854 | Votes: 2 | Rating: 6.5 ]
- Active Loop Converter for LF
- Active Loop Converter for the LF Band
by Lloyd Butler VK5BR originally published in Amateur Radio, July 2000)
[ Hits: 1839 | Votes: 0 | Rating: 0 ]
- Antennas for HF mobile operation
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- The following description should give you guidance on how to build a mobile antenna for HF bands yourself, using a very cheap CB-mobile whip antenna base. Antennas for mobile operation 7Mhz ,10Mhz, 14Mhz, 18Mhz, 21Mhz, 24Mhz,28-430Mhz
[ Hits: 90282 | Votes: 80 | Rating: 5.12 ]
- 9 band vertical HF antenna by RW3XA
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- Simple vertical radiator with matching box. No traps, no tuner required for this multiband antenna
[ Hits: 38738 | Votes: 43 | Rating: 7.34 ]
- MF and HF Amateur Radio Band Charts
- Easy to read set of band charts for the amateur radio MF and HF bands: 160, 80, 60, 40, 30, 20, 17, 15, 12, and 10 meter by W5JCK
[ Hits: 1605 | Votes: 6 | Rating: 3 ]
- DCI Digital Communications
- Band pass filters, for radio frequency interference problems.
[ Hits: 630 | Votes: 0 | Rating: 0 ]
- Digital Smart Antennas DiSA
- Digital Smart antenna (DiSA) Automatically Adjusts over a wide band of frequencies.
[ Hits: 922 | Votes: 2 | Rating: 5.5 ]
- The reflected W beam
- Hexagonal wire beams for all hf bands, technical resource, EZNEC files, tools for antenna modeling and documentation. You can also order parts to build your own antenna.
[ Hits: 2786 | Votes: 3 | Rating: 8.67 ]
- Creative Design Corp.
- Create - Reliable antenna and antenna rotators from japan. Manufacturer of amateur radio products, HF VHF UHF antennas, antnena towers, antenna rotors, HF Log Periodic Antennas, VHF UHF wideband amateur radio antennas
[ Hits: 4445 | Votes: 5 | Rating: 6.6 ]
- VLF-LF And the Loop Aerial
- The article discusses the theory of loop aerials for receiving and how they reduce the level of local noise. A Loop Aerial is described suitable for use on the LF and VLF bands together with a circuit of an interface loop tuner and preamplifier. The discussion extends to the problems of amplifier noise and the advantages of tuning the loop.
[ Hits: 3422 | Votes: 5 | Rating: 5.4 ]
- 200W 136 kHz transmitter
- A transmitter project for the 136 kHz band by IK2PII
[ Hits: 362 | Votes: 0 | Rating: 0 ]
- Caracol Radio
- One of several Colombian broadcasting networks heard on AM and FM and worldwide on 5076 kHz in the 60 meter band.
[ Hits: 1360 | Votes: 6 | Rating: 5.5 ]
- CyberDX-CW
- CyberDX-CW is a software simulation of an amateur radio station monitoring the world. Generates a simulated radio environment, where the operator can tune all of the HF bands and actually hear computer generated station activity
[ Hits: 2670 | Votes: 3 | Rating: 6.67 ]
- FT857 SuperControl
- CAT control and logging software project especially developed for the YAESU FT-857 transceiver. Full control of the trcvr, EEPROM modification, VoIP, TCP/IP remote control, macro CW keyer, visual band scope
[ Hits: 18833 | Votes: 35 | Rating: 5.67 ]
- FT897 SuperControl
- CAT control and logging software project especially developed for the YAESU FT-897 transceiver. Full control of the trcvr, EEPROM modification, VoIP, TCP/IP remote control, macro CW keyer, visual band scope
[ Hits: 17001 | Votes: 24 | Rating: 7.91 ]
- Mizuho products
- Mizuho Tsushin Co. was a small Japanese manufacturer of QRP radios and kits, shortwave receiver accessories, and AM broadcast band receiver kits and antennas
[ Hits: 3237 | Votes: 1 | Rating: 10 ]
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