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12-Feb-05 | NOAA-N delayed indefinitely

The next Delta launch may turn out to be the first NAVSTAR IIR-M in May, as the launch of NOAA-N has been delayed indefinitely. During routine testing, one of the spacecraft’s four S-Band transmitters was found to have “an out-of-specification change” to its center frequency, which in operation would significantly hinder reception of the signal. Extensive diagnosis is now needed to determine the cause of the frequency shift. If the transmitter requires replacement, the delay will be lengthy, as “these units are not easily accessible.” (NASA ELV Status Report, 09-Feb-05)

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