frequencies,
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Antennas : Magnetic Loop- Thinking about Ideal Loops
- Loop antennae have been used from ELF to UHF since the beginning of radiocommunications. At low frequencies, the main problem for loop antennae is to have enough sensitivity; the antenna being very small respect to the wavelength the collected energy is also small. To increase the output level the loop may be made resonant, so loosing it%u2019s intrinsic aperiodic characteristics.
[ Hits: 2270 | Votes: 6 | Rating: 7.33 ]
- Cubical Quad Antenna Design
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- By N6VNG, can be used to determine the element lengths and the gamma match values for different frequencies, includes link to excel files with formulas to dimension your quad antenna.
[ Hits: 30797 | Votes: 88 | Rating: 5.74 ]
- Cassini & Browse Isl. DXpedition
- Dxpedition information site has dates, frequencies, operators etc. Planning a searchable data base for logs.
[ Hits: 597 | Votes: 0 | Rating: 0 ]
- Amateuradiomalaysia
- This site is meant to assist all Amateur Radio members know the "ins" and the "outs" of how to enjoy the hobby of getting on the amateur radio frequencies, by 9W2SSJ & 9W2RYS
[ Hits: 327 | Votes: 0 | Rating: 0 ]
- YY5OFW & YY5OFX
- Information about Venezuela, frequencies, maps, photos, history, and related links
[ Hits: 609 | Votes: 1 | Rating: 10 ]
- National Radio Data
- United States and Canadian call sign/scanner frequency databases, Worldwide airport frequencies, FIPS codes, Mass Media searches for DXing and more!
[ Hits: 1771 | Votes: 7 | Rating: 7.29 ]
- Radio & Communications
- Info about many aspects of Radio & Communications. Antennas, signals, frequencies, codes, swr, scanning etc.
[ Hits: 18494 | Votes: 13 | Rating: 3.32 ]
- F5AD ATV Repeaters
- F5AD describes the ATV repeaters in the south of France, and methods, frequencies, modulations used in ATV in France and in Europ. (French and English)
[ Hits: 1710 | Votes: 9 | Rating: 4.45 ]
- Ham Radio Audio and Resources
- EchoLink and IRLP Internet Radio Linking Project Node's, Hurricane Watch Audio Feed's and Info, Live Scanner/Other Feed's from the USA, Local Ham Frequencies, Online Receiver's, Shoutcast Live Audio Feed's from the USA, Southern California Frequencies and more
[ Hits: 1224 | Votes: 1 | Rating: 1 ]
- Olivia, the Magic Digital Mode
- Olivia MFSK digital communications are becoming popular in amateur radio because Olivia is one of the most robust methods of text keyboarding, that can perform superbly for long distance communications. Olivia frequencies, format and software
[ Hits: 1931 | Votes: 8 | Rating: 8.38 ]
- Scanning Reference
- Informations about Scannings, with frequencies, information about scanning, hardware and software reviews
[ Hits: 3105 | Votes: 4 | Rating: 3 ]
- The Radio Reference
- RadioReference.com, scanner frequency and radio communications reference source, with complete conventional frequency assignments, trunked radio system information, frequencies, and talkgroups, FCC License assignments and maps, 10-Code Lists, agency maps, files, downloads, links, and detailed agency information for most public safety, military, and local government activities.
[ Hits: 6061 | Votes: 30 | Rating: 6.89 ]
- Sydney Scanner Frequencies
- One of the best compilations of frequencies in Sydney particularly SW. Include Police, other emergency people, Marine, the entire aircraft list for Sydney, RAAF squadron frequencies, UHF CB frequencies as well as a heap of miscellaneous frequencies like security, shoppin malls etc.
[ Hits: 14046 | Votes: 59 | Rating: 6 ]
- Capitol Hill Monitors
- Frequencies, links for scanners, email lists, online audio and more for Maryland, DC, and parts of Delaware and Virginia
[ Hits: 1625 | Votes: 5 | Rating: 8 ]
- Scanner Food - Scanner Frequencies
- Tri-Cities Frequencies, Live Scanners, CTCSS information and more
[ Hits: 810 | Votes: 4 | Rating: 9.25 ]
- CityFreq
- United States Scanner Frequencies, Phone Numbers, and IP Addresses
[ Hits: 2328 | Votes: 14 | Rating: 6.21 ]
- Monitoring the Crisis in the Balkans
- By the Monitoring Times Staff, NATO HF Frequencies, NATO Common VHF/UHF Frequencies and English Language Shortwave Broadcasts from the Balkans
[ Hits: 1167 | Votes: 1 | Rating: 8 ]
- Africalist
- A complete list of Subsaharan Africa Radio Stations broadcasting on Shortwave, frequencies, times, listening experiences
[ Hits: 1923 | Votes: 4 | Rating: 5.25 ]
- Frequency Manager
- Database system with 60000 frequencies, powerfull 3D MUF/LUF-propagtion software and full copntrol of several receivers
[ Hits: 6528 | Votes: 17 | Rating: 4.65 ]
- DataBase Toolkit by AOR
- Windows freeware database containing frequencies, locations, and a small logging program capable or recording audio
[ Hits: 2882 | Votes: 4 | Rating: 3 ]
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