AO-51 管制局から、すぐに返答がありました。
L/U Digi is on.　ということです。

Subject: [amsat-bb] AO-51 update 
From: Gould Smith
Date: Sat, 19 Jan 2008 08:25:28 -0500 

I turned the SQRX receiver back on yesterday and
after looking at the telemetry last night,
set the freq and FM mode for L Band.
Updated the text message this morning. L/U Digi is on.

TXA  V/U repeater 1.12 W
TXB L/U BB   500 mW

Satellite structure temp 28.5 - 32 degrees C
Battery 1 temp  31 - 33 degrees C
BCR Voltage Regulator 42 - 45 degrees C

73,
Gould
AO-51 Command Station