User contributions
From HFUnderground
- 16:06, 8 February 2010 (diff | hist) NASA
- 15:12, 27 October 2009 (diff | hist) NASA
- 02:30, 29 August 2009 (diff | hist) NASA
- 02:30, 29 August 2009 (diff | hist) NASA
- 02:29, 29 August 2009 (diff | hist) NASA
- 01:40, 29 August 2009 (diff | hist) NASA
- 03:08, 25 August 2009 (diff | hist) NASA
- 00:56, 25 August 2009 (diff | hist) NASA
- 00:52, 25 August 2009 (diff | hist) N NASA (New page: Most of communications NASA does with airplanes and spacecraft happen on VHF, UHF and higher frequencies. However, during every space shuttle launch, there are HF communications between C...)
- 00:38, 25 August 2009 (diff | hist) Shortwave Utility Stations (→Aeronautical)
- 14:14, 28 September 2007 (diff | hist) Longwave Broadcast Stations
- 18:16, 23 September 2007 (diff | hist) Reporting Interference (→References) (top)
- 18:11, 23 September 2007 (diff | hist) Reporting Interference (→References)
- 17:34, 23 September 2007 (diff | hist) Reporting Interference
- 17:15, 23 September 2007 (diff | hist) Reporting Interference (→Interference by IBOC (digital) signals)
- 17:08, 23 September 2007 (diff | hist) Reporting Interference
- 17:08, 23 September 2007 (diff | hist) N File:AM IBOC Mask10.gif (AM IBOC spectrum. Liberally taken from http://www.dallas.net/~jvpoll/rfi/AM620_KMKI/AM620_KMKI_01.html, who took it from http://www.broadcast.harris.com/extremedigital/pdf/LinearityPerformance.pdf :))
- 17:06, 23 September 2007 (diff | hist) N Reporting Interference (New page: Just like any other radio station, medium wave (AM) stations need listeners. In order to get those listeners, they need to make sure their signal can be received clearly by everybody in t...)
- 16:10, 23 September 2007 (diff | hist) N Mediumwave Broadcast Stations (New page: Everything related to medium wave and long wave broadcast stations goes here. * Reporting Interference one of the top priorities for radio stations is being heard. Let them know how ...)
- 15:26, 23 September 2007 (diff | hist) Main Page
- 15:26, 23 September 2007 (diff | hist) Main Page
- 21:00, 15 September 2007 (diff | hist) N Northern Canada Coast Guard (New page: Like many others around the world, the coast guard stations in Northern Canada have regularly scheduled broadcasts with forecasts of the weather, shipping conditions and ice coverage. The...)
- 20:42, 15 September 2007 (diff | hist) Shortwave Utility Stations (→Marine)
- 20:41, 15 September 2007 (diff | hist) N Shortwave Utility Stations (New page: Utility stations presumably serve a useful purpose, for example communication between ship and shore. Many of them only have scheduled broadcasts for a few minutes a day, making them inte...)
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