From: P. Pesec 
Subject: [IGSMAIL-334] Graz rogue problems
Date: 9 SEP 1993 19:23:18 

IGS Electronic Mail        9-SEP-1993 19:23:18       Message Number 334
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From: P. Pesec 
Subj: Graz rogue problems
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Due to unknown internal algorithm failure the receiver could
only be re-initiated by a complete power-off. Standard message
during OSS: P1/P2 snr/ratio too low (after lockon). Data are
missing doy 252 between 12 UT and 15:10 UT.

Peter Pesec.