0000328: At Lband the Ampls of cross-correlations CY*Y dropped out sometimes in all bands, intermittent.
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ID Category Severity Reproducibility Date Submitted Last Update
0000328 [DZB] 0.unknown/unspecified major sometimes 24-01-11 11:45 06-03-12 12:52
Reporter Yuan Tang View Status public  
Assigned To Harm-Jan Stiepel
Priority normal Resolution suspended  
Status progressing  
Summary 0000328: At Lband the Ampls of cross-correlations CY*Y dropped out sometimes in all bands, intermittent.
Description At Lband the Ampls of cross-correlations CY*Y dropped out sometimes in all bands, intermittent. (see 11100407,11100409.)
Additional Information 20111222
It may also be caused by the FE phase switch on RTC.
nr subbands 1
nr polarisations
nr channels
bandwidth
multi-subarray no
recirculation no
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- Notes
(0000380)
Harm-Jan Stiepel
06-03-12 12:52

 Er is een probleem met de bliksen beveiliging van de besturing van de faseschakelaarin de Focusbox.
Tijdelijk is er in de kelder een versterker geplaatst in de commando lijn van de fase schakelaar. Als de weg naar RTC weer begaanbaar is voor de hoogwerker moet de beveiligingsmodule MOB vervangen worden.
 

- Issue History
Date Modified Username Field Change
24-01-11 11:45 Yuan Tang New Issue
24-01-11 11:45 Yuan Tang Assigned To  => Harm-Jan Stiepel
24-01-11 11:45 Yuan Tang Status new => assigned
30-09-11 12:55 Harm Munk Project submission => DZB
22-12-11 10:32 Yuan Tang nr subbands  => 1
22-12-11 10:32 Yuan Tang multi-subarray  => no
22-12-11 10:32 Yuan Tang recirculation  => no
22-12-11 10:32 Yuan Tang Status assigned => testing
22-12-11 10:32 Yuan Tang Additional Information Updated
06-03-12 12:52 Harm-Jan Stiepel Note Added: 0000380
06-03-12 12:52 Harm-Jan Stiepel Status testing => progressing
06-03-12 12:52 Harm-Jan Stiepel Resolution open => suspended