From: <jon_at_email.protected>
Date: Wed, 17 Nov 2004 18:58:39 +0200 (SAST)

Hi Brett

On Thu, 18 Nov 2004, Brett Reid wrote:

>Thanks, this is great.
>Hobart's LO is 1300 MHz for L band.
>Would it be possible for you to make these adjustments?

Done - attached find version 1.2 with Hobart IF USB to 1300MHz

Regards
  Jon

>
>==============Original message text===============
>On Wed, 17 Nov 2004 16:56:12 +0200 (SAST) Jonathan Quick wrote:
>
>Hi Jim
>
>Attached to this is a VEX schedule which when fed to the version of
>DRUDG included in the latest FS-9.7.3 gives working snap/procedure files
>so long as you use option 11 to set the recorder 1 type to Mark5A first.
>So for Hobart people, that means just use it like you do the geodesy
>schedules ( though you have to patch the IFDs in astronomy mode ie.
>VCs 1,3,5,7 to IF1[LCP] and VCs 2,4,6,8 to IF2[RCP] B).
>
>This version assumes Hobart's IF is LSB to 1800MHz and Tid's IF is USB to
>1380MHz and that both setups are MarkIV rack -> Mark5A recorder.
>
>Also attached is a version for controlling an S2 recorder but without the
>correct frequency setup - see below. For example it uses 16x8-1 as a
>recording mode which will need modification to match what is actually
>to be used.
>
>
>On Wed, 17 Nov 2004, Jim Lovell wrote:
>
>>> Hi Giuseppe,
>>>
>>> Can you please tell me what the setup will be for S2 recording?
>>> i.e DAS profile, centre freq into the DAS, which polarisation goes to
>>> which DAS IFP, S2 mode, buggery cable in or out.
>>>
>
>The S2 dataset is in principle disconnected from the VLBA/MkV dataset
>so it's setup should probably be decided separately. Giuseppe/Roopesh
>need to decide what is suitable here - I would guess 16MHz LCP+RCP 2-bit
>sampled. The S2 schedule attached can be customised to match.
>
>>>> > TID 323/10:15UT - 323/16:25UT
>>>
>>> This is 10 min more than one tape. Could you make it 6 hrs please?
>
>The schedule I downloaded (and converted to the version attached) has
>actual times:
>
>TID 323/10:26UT - 323/16:21UT
>
>>> Also, for those of us at Tid (who are new to MkV), we'd appreciate a bit
>>> more detail on the setup:
>>>
>>>> > freq: 1651.49 + 8MHz -- RCP LCP
>>>> > freq: 1659.49 + 8MHz -- RCP LCP
>>>> > freq: 1667.49 + 8MHz -- RCP LCP
>>>> > freq= 1675.49 + 8MHz -- RCP LCP
>>>
>>> Is this a total of 8 x 8 MHz bands (4 freqs x 2 pol)? Does "1651.49 +
>>> 8MHz" mean a band covering 1651.49 to 1659.49 MHz?
>
>Yes, or more precisely at Tid
>
>define vc018 00000000000x
>vc02=271.49,8.000,u
>vc01=271.49,8.000,u
>vc04=279.49,8.000,u
>vc03=279.49,8.000,u
>vc06=287.49,8.000,u
>vc05=287.49,8.000,u
>vc08=295.49,8.000,u
>vc07=295.49,8.000,u
>!+1s
>valarm
>enddef
>
>with the IFD setup as follows
>
>define ifd01 00000000000x
>ifd=,,nor,nor
>lo=
>lo=lo1,1380.00,usb,lcp,1.000
>lo=lo2,1380.00,usb,rcp,1.000
>patch=
>patch=lo1,1h,3h,5h,7h
>patch=lo2,2h,4h,6h,8h
>enddef
>
>>> Given that the Tid MkV probably won't be fully set up by tomorrow night
>>> and that the old PCFS will be running the antenna plus S2, we plan to
>>> configure the IF switching, VCOs, formatter etc for MkV manually. So any
>>> help or suggestions from the MkV aficionados out there would be
>>> appreciated!
>
>I would recommend you try use some sort of FS software (probably a raw
>unmodified version ie. no station software at all would work ) to control
>the MkIV+V combination as it is very complicated to get right by hand.
>Just setup the control files for a MarkIV, add the right IP to mk5ad.ctl,
>the correct serial port to dev.ctl and you should be ready to roll.
>
>Regards
>Jon
>===========End of original message text===========

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Received on 2004-11-18 03:59:42