Survey history

02mar18



    I've tried to collect all of the survey dates and what was done on this page. More info can be found in survey/
locations are:
Abbreviations:
Colors:
start of year
optics event
photogrammetry of primary
videogrammetry Sec/Tert


date
 object
 location
 Notes
971012
 tertiary
 L2/year97
 survey of tertiary targets. test run.
971029
 dome
 L2/year97 survey from AO9. 1 elevation cut
971031
 dome
 L2/year97 survey from AO9. 1 elevation cut
971101
 sec
 L2/year97 survey of secondary shape
971104 dome L2/year97 survey from AO9. 1 elevation cut
1998
980205
 mobileTarg
 L2/year98 Test of mobile target on primary (radio controlled truck)
980209
 mobileTarg
 L2/year98 Survey nearby primary from AO9 using mobile target
980210 mobileTarg L2/year98 Survey nearby primary from AO9 using mobile target
above surveys used TC800, Below surveys used Sokia theodolite.
980920
 sec
 L2/year98  survey of secondary
980821
 sec,paddles
 L2/year98 survey of secondary and paddles around  the dome pupil
980822 tert,paddles
 L2/year98 survey of tertiary,  paddles, vertex plate
using sec reference,
980823
 fdTower
 L2/year98 survey of feed tower sag relative to secondary.
980825 tert
 L2/year98 survey of tertiary transfer targets relative to tertiary
980826
L2/year98 survey from equator to measure mounting points
981021 padP
 L2/year98 survey of paddles using secondary reference
981022 padP L2/year98 survey of paddles using large secondary reference set.
981023 ter,terP
 L2/year98 survey of tertiary shape and transfer targets
981025 dome
 L2/year98 survey from A09, two elevation cuts
981026 tert
 L2/year98 survey of tertiary position using secondary reference
981206

 tert,terp
 L2/year98 survey check of tertiary position and test of paddle response
981208 feeds
 L2/year98 survey from equator measuring horn positions. lbw,lbn,sbn,sbtx
981209 tert
 L2/year98 survey of tertiary position
981210 dome
 L2/year98 survey from A09, one elevation cut
1999
990105
 dome L2/year99 survey from A09, 2 elevation cuts, 2 azimuth cuts.
990106 sec
 L2/year99 survey of secondary shape and corner fairing, mosaic #1
990107 sec L2/year99 survey of secondary shape and corner fairing, mosaic #2
990108 sec L2/year99 survey of secondary shape and corner fairing, mosaic #3
990109 sec L2/year99 survey of secondary shape and corner fairing, not used
990110 sec L2/year99 survey of secondary shape and corner fairing, mosaic #4
990504
 sec L2/year99 survey of secondary shape, labeled (#2) targets only
990506 sec L2/year99 survey of secondary shape, labeled (#2) targets only
990619 sec L2/year99 survey of secondary shape and corner fairing, mosaic #1
990620 sec L2/year99 survey of secondary shape and corner fairing, mosaic #2
990621 sec L2/year99 survey of secondary shape and corner fairing, mosaic #3
990622 sec L2/year99 survey of secondary shape and corner fairing, mosaic #4
990623 sec L2/year99 survey of secondary shape and corner fairing, mosaic #5    
990624 tert,feedTwr
 L2/year99 survey of tertiary and feed tower sag versus zenith angle
991021
 horns
 L2/year99 survey of horn positions from equator stand
991022 horns L2/year99 survey of horn positions from equator stand
991217
 paddles
 L2/year99 survey of paddles in dome using secondary reference from June 99
991219 paddles
 L2/year99 Quick check of signal strength from paddles
2000
000127
 tert
 L2/year00 survey of tertiary position using June, 99 secondary reference
000128 horns
 L2/year00 survey of horn positions from equator stand
000130 helipad
 L2/year00 survey from A09 to monument on helicoptor pad
000131 dome
 L2/year00 survey of dome position from A09, 2 elevation cuts, 1 azimuth cut.
000201
 horns L2/year00 survey of feed positions from equator stand
000202 azEncGear
 L2/year00 survey of azimuth encoder gear ring from center bearing
000502 sec.VideoGram
 		L2/year00 Videogrammetry survey of secondary with Inca system
dec00  survey targets at primary tiedown  locations using photogrammetry (M_TD0)
dec00  adjust main cable tiedowns below dish using M_TD0
2001
jan01  remeasure primary tiedown locations using photogrammetry (M_TD1)
mar01 adjust tiedown cables under dish using M_TD1
mar01 survey 38000 primary targets using photogrammetry (M_SUR1)
010326
 priRim
 L2/year01 survey from A09 to photogrammetry targets on primary rim.
010328 priRim L2/year01 survey from A09 to photogrammetry targets on primary rim
010730 tertPdl
 L2/year01 survey of new paddles and tertiary, secondary reference.
oct01 finished measuring the photos taken mar01 (M_SUR1)
oct01 to nov01 adjust all 38000 panels on primary using results of M_SUR1
nov01/dec01 resurvey 38000 primary targets using photogrammetry (M_SUR2)
010801 tertMotion
 L2/year01 survey of tertiary position with motion control, secondary reference.
010809
 dome
 L2/year01 survey of dome from A09, 2 elevation cuts, 2 azimuth cuts.
011004
 CornerCubes
 L2/year01 Test of corner cube phase centers with Sokki
2002 (End of Lynn's index.txt)
020204
 horns
 L2/year02 survey of feeds
020329
 horns
 L2/year02 survey of feeds. sbh,xb,sbn
020331 tert
 L2/year02 survery tert paddles.
020828 cband horn moved down 1.08"
021122 lbw horn moved down 3.67" to put in focus (correcting for kildal focal point err in paper).
2003
030204
 dome
 L3/align/year03 survey from ao9. 2 za strips  before shimming
030205-8 first round of elevation rail shimming
030212
 dome
 L3/align/year03 survey from ao9. 2 za strips, 1 az strip after 1st shimming.
030213-17 elevation rail shimming continues
030217
 dome
 L3/align/year03
 survey from ao9 after shimming
030218-25 elevation rail shimming continues
030227 dome lifted 1.65 inches
030228 6200 lbs weight added to platform to compensate for T8 hairpin correction,.
mar03 finished measuring the photos taken Dec01 (M_SUR2)
030709
 dome
 L3/align/year03 survey from ao9. first survey after shimming completed.
031111
 		sec:VideoGram
 		L3/align/year03 videogrammetry of secondary
2004
040211
 horns
 L2/year04 horn survey, xb,lbw,cbh,cb ,sbtx,sbn,sbh,sbw
040213 sbh moved down .8 inches to put it at the correct phase center.
040214 horns
 L2/year04 horn survey xb,lbw,cbh,cb,sbtx,sbh,sbn,sbw after horns moved.
040225 kevlar mount
 L2/year04 survey rcrRoomWindow. holes sec for kevlar cables. also tertPdls
040409
 tert
 L2/year04 survey tert after kevlar cables installed
040421 alfa installed after reinforcing turret floor.
040423
 alfa
mike,lynn place targets under floor to help position alfa.
040428
 horns,alfa
 L2/year04 survey horns. sbtx,sbh,sbn,lbw,cb,xb,sbw,alfa
secref.dsn switched to new version prior to 040501 survey.
040501
 tert
 L2/year04 moved tert to new position.
040502
 horns
 L2/year04 after horns moved. sbh,cbh,cb ,xb,sbn,sbtx,sbw
040506: turret encoder lost index (damaged by alfa cover).
040508
 horns
 L1/040508
 after turret encoder lost index (from alfa cover accident).
040514  sbw horn moved down to correct for focus error.
040622
 secVideoGram
 L2/year04 videogrammetry of secondary
040626
 secVideoGram L2/year04 videogrammetry of secondary
040628
 secVideoGram L2/year04 videogrammetry of secondary
040629   finish adjusting the secondary using videogrammetry results.
041018
 tertTarg
 L2/year04 pictures of installing tertiary targets on tertiary.
041020 tertTarg
 L2/year04 more pictures of tertiary targest lighting up.
041021 tert:VideoGram
 		L2/year04 videogrammetry of tertiary.
041025 tert:VideoGram L2/year04 videogrammetry of tertiary
041026 tert:VideoGram L2/year04 videogrammetry of tertiary
041030 finish adjusting the tertiary using videogrammetry results
nov04 to jan05 adjust all need primary  panels on primary using results of M_SUR2
2005
050308
 tertTarg
 L3/align/year05 pictures of tert targets lighting up.
2012
121028 new sbn horn installed
121030
 horn
 L2/year12 sbn
121031
 horns
 L2/year12 shot snew sbn rx,tx. used pre 2004 secref.dsn used
121102
 horns
 L1/121102
 shot horns: sbw,lbw,cb,xb,cbh,sbh,alfa. Used new 2004 secref.dsn
2018
180522
 dish
blackmore surveys dish with laser scanner


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