ea21 is operational Bands Q, K, C, L, X are operational ea21 has T304 serial #3 in IFd. The Bandpass waveform is degraded on all bands but is especially degraded on Xband IFd. -- Steven J. Durand National Radio Astronomy Observatory Electronics Division Head 1003 Lopezville Road 575/835-7103 Socorro, New Mexico 87801