0000293: The TPs of 4X,4Y and the Ampls of 4X*X,4Y*Y are unstable in all bands and at all frequencies.
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ID Category Severity Reproducibility Date Submitted Last Update
0000293 [MFFE] 0.unknown/unspecified major always 22-09-10 11:20 26-11-10 14:07
Reporter Yuan Tang View Status public  
Assigned To Harm-Jan Stiepel
Priority high Resolution fixed  
Status resolved  
Summary 0000293: The TPs of 4X,4Y and the Ampls of 4X*X,4Y*Y are unstable in all bands and at all frequencies.
Description The TPs of 4X,4Y and the Ampls of 4X*X,4Y*Y are unstable in all bands and at
all frequencies.
(The problem could come from some unit related with the noise source, or the communication problem.)
Additional Information OPGELOST OMDAT OP 28 OKTOBER HET FE GEWISSELD IS.
MFFE 16
RT 4
MFFE-band all bands
polarisation X, Y
sky frequency (MHz)
Attached Files

- Relationships

- Notes
(0000303)
Harm Munk
11-10-10 13:02

 Could be heater related; one heater's (solid state) relay is 'stuck' in the on state
 

- Issue History
Date Modified Username Field Change
22-09-10 11:20 Yuan Tang New Issue
22-09-10 11:20 Yuan Tang MFFE  => 16
22-09-10 11:20 Yuan Tang RT  => 4
22-09-10 11:20 Yuan Tang MFFE-band  => all bands
22-09-10 11:20 Yuan Tang polarisation  => X, Y
22-09-10 11:20 Yuan Tang Assigned To  => Harm-Jan Stiepel
22-09-10 11:20 Yuan Tang Status new => assigned
11-10-10 13:02 Harm Munk Note Added: 0000303
26-11-10 14:07 Harm-Jan Stiepel Status assigned => resolved
26-11-10 14:07 Harm-Jan Stiepel Resolution open => fixed
26-11-10 14:07 Harm-Jan Stiepel Additional Information Updated