Talk:International Broadcasting Bureau

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[edit] Exceeding power output under internatinoal agreements

* The Marathon, Florda MW trasmitter used by IBB operates at 100 kw[1], breaking the US treaty obligation to only transmit at MW powers no greater than 50 kw^{[citation needed]}

IBB claims on their website:

"Radio Marti: Marathon Key, Florida -- Facilities include a directional four-tower antenna array and two 50 kilowatt (kW) transmitters operating on 1180 kHz (medium wave) as well as a power combiner system that allows the station to transmit a more powerful 100 kW signal during daylight hours. The broadcast signal is sent by satellite from Miami to Marathon Key."

Okay, according to ITU-R's "TERRESTRIAL BROADCASTING PLANS IN LF/MF/HF/VHF/UHF BANDS" [2] the MF band (defined as 526.5-1 606.5 kHz, 525-1605 kHz, and 1605-1705 kHz) is subject to the following restrictions, per ITU-R publication RJ88:

2.2 Regional Agreement on MF Broadcasting, Region 2, Rio de Janeiro, 1981

"– class A stations, covering large areas, are protected for their ground-wave and sky-wave service; their power shall not exceed 100 kW daytime and 50 kW night-time except stations originally recorded with higher power, which however can not be increased;"

So if they transmit at 100kw during the day, and 50kw during the night, then IBB IS adhering to ITU-R regulations, no?

- Eric 05:52, 14 December 2006 (UTC)