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  2. 10-meter band - Wikipedia

    en.wikipedia.org/wiki/10-meter_band

    The 10-meter band was allocated on a worldwide basis by the International Radiotelegraph Conference in Washington, DC, on 4 October 1927. [2] Its frequency allocation was then 28-30 MHz. A 300 kHz segment, from 29.700–30.000 MHz, was removed from the amateur radio allocation in 1947 by the International Radio Conference of Atlantic City.

  3. Radio map - Wikipedia

    en.wikipedia.org/wiki/Radio_map

    Example of a radio map estimate using STORM, a transformer-based radio map estimator. Signal strength maps quantify signal strength at each location. Formally, a signal strength map can be seen as a function γ ( r ) {\displaystyle \gamma (\mathbf {r} )} that provides a signal strength metric for each location r {\displaystyle \mathbf {r} } .

  4. .257 Weatherby Magnum - Wikipedia

    en.wikipedia.org/wiki/.257_Weatherby_Magnum

    The .257 Weatherby Magnum is a .257 caliber (6.53 mm) belted bottlenecked cartridge. It is one of the original standard length magnums developed by shortening the .375 H&H Magnum case to approx. 2.5 in (64 mm).

  5. Amateur radio frequency allocations - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_frequency...

    "WARC" bands are so called due to the 1979 special World Administrative Radio Conference allocation of these newer bands to amateur radio use. Amateur radio contests are not run on the WARC bands. 20 metres – 14.000–14.350 MHz – 21.41–20.89 m actual; Considered the most popular DX band; usually most popular during daytime.

  6. List of radio stations in Texas - Wikipedia

    en.wikipedia.org/.../List_of_radio_stations_in_Texas

    Call sign Frequency City of License [1] [2] Licensee Format [3] Average Power KAAM: 770 AM: Garland: DJRD Broadcasting, LLC: Christian talk/Brokered 78kW KABA: 90.3 FM

  7. Amateur radio propagation beacon - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_propagation...

    Several countries in ITU Region 1 have access to frequencies in the 70 MHz region, called the 4-meter band. The band shares many propagation characteristics with 6 meters. The preferred location for beacons is 70.000–70.090 MHz; [5] however, in countries where this segment is not allocated to Amateur Radio, beacons may operate elsewhere in ...

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  9. Category:Amateur radio bands - Wikipedia

    en.wikipedia.org/wiki/Category:Amateur_radio_bands

    Pages in category "Amateur radio bands" The following 34 pages are in this category, out of 34 total. ... 10-meter band; 13-centimeter band; 15-meter band; 20-meter band;