0000374: At Lband and 6cm the TP of 6Y(MFFE-15) is unstable.
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ID Category Severity Reproducibility Date Submitted Last Update
0000374 [MFFE] 0.unknown/unspecified major always 29-08-11 11:37 12-12-11 13:11
Reporter Yuan Tang View Status public  
Assigned To Harm-Jan Stiepel
Priority normal Resolution fixed  
Status resolved  
Summary 0000374: At Lband and 6cm the TP of 6Y(MFFE-15) is unstable.
Description At Lband and 6cm the TP of 6Y(MFFE-15) is unstable.
(from the MFFE-15 or from the equalizer?)
Additional Information Na 29-8-2011 geen meldingen meer.
MFFE 15
RT 6
MFFE-band 21cm, 6cm
polarisation Y
sky frequency (MHz)
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- Notes
(0000358)
Yuan Tang
30-08-11 09:35

 RT6: The TP of the Y-polarisation is unstable, also in the MFFE monitoring data. The problem is not the equalizer, but in the MFFE. It should be something in the IF-part. Maybe a longer observation at UHFhigh can give a better indication of where the problem is.


 

- Issue History
Date Modified Username Field Change
29-08-11 11:37 Yuan Tang New Issue
29-08-11 11:37 Yuan Tang MFFE  => 15
29-08-11 11:37 Yuan Tang RT  => 6
29-08-11 11:37 Yuan Tang MFFE-band  => 21cm, 6cm
29-08-11 11:37 Yuan Tang polarisation  => Y
29-08-11 11:38 Yuan Tang Assigned To  => Juergen Morawietz
29-08-11 11:38 Yuan Tang Status new => assigned
30-08-11 09:35 Yuan Tang Note Added: 0000358
30-08-11 13:46 Juergen Morawietz Assigned To Juergen Morawietz => Harm-Jan Stiepel
12-12-11 13:11 Harm-Jan Stiepel Status assigned => resolved
12-12-11 13:11 Harm-Jan Stiepel Resolution open => fixed
12-12-11 13:11 Harm-Jan Stiepel Additional Information Updated