[vlbatests] proposed collimation offsets update

[Kirill Sokolovskii]

Dear everyone,

I had another look at the collimation offsets for the individual receivers and propose the following updates based on single-dish pointing data collected between August 2026 and now:

################## proposed_ptanal-2026-10-19.parm ##################
HN,SX    ,AZCOLIMATION,+01.36 # from Current:           AZ:+01.88 EL:+12.76
LA,20cm  ,AZCOLIMATION,-01.21 # from Current:           AZ:-01.62 EL:-07.90
LA,1cm   ,ELCOLIMATION,-07.20 # from Current:           AZ:+02.67 EL:-07.57
MK,20cm  ,AZCOLIMATION,+01.09 # from Current:           AZ:+01.80 EL:-02.56
MK,SX    ,ELCOLIMATION,+03.77 # from Current:           AZ:+01.81 EL:+04.11
MK,2cm   ,ELCOLIMATION,+01.06 # from Current:           AZ:+02.85 EL:+00.93
NL,6cm   ,ELCOLIMATION,-01.94 # from Current:           AZ:+02.51 EL:-01.21
NL,4cm   ,ELCOLIMATION,-00.67 # from Current:           AZ:+00.77 EL:-00.21
NL,2cm   ,AZCOLIMATION,+01.03 # from Current:           AZ:+01.26 EL:-00.80
PT,SX    ,ELCOLIMATION,-00.85 # from Current:           AZ:-05.49 EL:-01.31 
###############################################################

(No collimation offsets suggested for SC as we want to update the poiting model parameters first.)

Best wishes,
Kirill
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