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Results from Main web retrieved at 00:17 (Local)
ConstructionPictures2016
Main.BobSimon 2016 04 11 * Tape room rack, ROACH connections: * Single blade, RF inputs at top, optical fiber output below * RFI shielded DDC...
r9 - 2017-03-28 - 11:05 by BobSimon
DataSheets
Common Datasheets 2015 03 02 * Mini Circuits SPDT RF switch: ZX80 DR230 .pdf * Luff Research 155.52 Mhz PLO: PLOX155.52 10.pdf * Mini Circuits 6 way p...
r3 - 2015-06-17 - 09:51 by BobSimon
DigitalDownConverter
Topics related to Matt Morgan's digital down converter Description The focal L Band Array for the GBT (FLAG) is being upgraded with a downconverter digital link ...
r7 - 2015-01-07 - 15:41 by BillShillue
ETKChangeControlBoardGroup
ETKChangeControlBoardGroup * Member list (comma separated list): * Set GROUP = Main.JanetLychock, Main.AllenLewis, Main.CharlesBeverage, Main.JohnFord, Ma...
NEW - 2009-02-06 - 14:43 by PatrickMurphy
GbtPlanningGroup
Edit this topic to add a description to the GbtPlanningGroup
r65 - 2022-04-03 - 20:04 by MartyBloss
InstallationPictures
Main.BobSimon 2015 01 23 * Jan 21, 2015, Lifting: * Jan 21, 2015, Lifting cradle is used to position receiver into Sterling mount. Dipoles are co...
NEW - 2015-01-23 - 15:12 by BobSimon
MechanicalFrontendbox
Main.BobSimon 2015 07 20 * PF1 receiver in observing position: PF1_observing_position.pdf * Focus dimensions: GBT_Sterling_mount.pdf * PF1 Sterling mo...
NEW - 2015-07-20 - 12:54 by BobSimon
NRAOStaffGroup
Edit this topic to add a description to the NRAOStaffGroup
r139 - 2019-05-10 - 07:51 by TracyHalstead
NetBurnerInfo
Topics related the NetBurner Netburner core: http://www.netburner.com/products/core modules/mod5282
r2 - 2015-03-02 - 14:28 by BobSimon
NextGenerationAmp
_ This section devoted to topics related to the development of the next generation PAF cryo amp. _ Possible candidate for the cryo amp: * Infineon BFY640 SiGe ...
r2 - 2014-12-08 - 15:21 by BobSimon
PafDevelop
Phased Array Feed Development (GBT Tests) Archived documentation of this project can be found here. PAF Workshop 2016 Slides * aroshi_PAF2016.pdf GBT Test of...
r68 - 2016-08-21 - 21:38 by AnishRoshi
Pictures
Main.BobSimon 2012 11 16 * Early version of the PAF receiver being tested in the outdoor test building. Shows copper ground shield being lowered onto the recei...
r3 - 2013-04-22 - 14:03 by BobSimon
QuartzLines
Topics related quartz coaxial input lines
NEW - 2014-12-08 - 14:32 by BobSimon
RfiEnclosure
* DDC assembly drawing: ddc_assembly.pdf * Digital Down Converter (DDC box), showing 4 of 5 DDC's installed. NetBurner/sensor card in lower right. RF input f...
r5 - 2015-10-06 - 09:17 by BobSimon
Number of topics: 14
Results from GB/Electronics web retrieved at 00:17 (Local)
GbtRfiMonitSta
! GBT RFI Monitoring Station Project Request Summary This project request comes late in the development of the GBT RFI Monitoring Station. The Station has been ...
r5 - 2007-12-17 - 09:43 by CarlaBeaudet
SbandReceiver
Main.BobSimon 25 Jun 2007 * Current S band receiver pictures * S band receiver: Baseline testing
r2 - 2007-07-03 - 13:55 by BobSimon
Sbandbaselines
Main.BobSimon 03 Jul 2007 Project TRXS28JUN07 Testing S band receiver in lab using lab spectrometer Setup: Receiver is cold Fsky=2200 Mhz LO1=2200 6000=8200Mhz at...
NEW - 2007-07-03 - 15:40 by BobSimon
Sbandpictures
Main.BobSimon 03 Jul 2007 * S band receiver: * Dewar, 15K plate with cryo amp on left, OMT on right: * Dewar, OMT on left, 15K plate on right...
NEW - 2007-07-03 - 14:20 by BobSimon
TCRX06OCT07
Main.BobSimon 09 Oct 2007 Project TCRX06OCT07 October 07, 2007 Testing C band receiver in lab. Current setup: Receiver is cold Scans are done either with blue a...
NEW - 2007-10-09 - 16:01 by BobSimon
TCRX18OCT07
Main.BobSimon 23 Oct 2007 Project TCRX18OCT07 October 18, 2007 C band receiver is on the GBT Rx is cold, in focus, in access position, very cloudy, light wind. S...
r2 - 2007-10-23 - 13:04 by BobSimon
WebStatistics
Statistics for GB/Electronics Web Month: Topic views: Topic saves: File uploads: Most popular topic views: Top contributors for topic save and up...
r57 - 2009-10-19 - 10:54 by CarolynWhite
XbandVacuumTest
Main.BobSimon 25 Jun 2007 Note: Dewar is warm, after one cooldown previously. HR 10 absorber is now lining the inside of the 50K radiation shield, approximately ...
NEW - 2007-06-25 - 13:00 by BobSimon
Xbandpictures
Main.BobSimon 23 Jun 2007 * X band receiver, overall: * X band receiver, 300K RF plate: * X band dewar, view A: * X band dewar, ...
NEW - 2007-06-23 - 18:10 by BobSimon
Number of topics: 9
Results from GB/Projects web retrieved at 00:17 (Local)
CBandUpgrade
C Band Receiver Changes Motivation and Scope Two main goals: * Replacement of the Model 22 refrigerator with a Model 350. The model 22 has poor reliability,...
r3 - 2006-03-21 - 17:06 by RogerNorrod
CommonMMConverter
Common MM Converter 1. Scope Construct the MM downconverter for the 1cm and 3mm receivers. 2. Strategic Value This subsystem is necessary to allow spectral line...
r23 - 2009-10-19 - 10:54 by CarolynWhite
CommonMMConverterCycleFive2004Elec
Common MM Converter Electronics Division Request Cycle 5 2004 * Main.BobSimon ~10% to oversee MCB integration and software testing. * Main.JohnFord ~10% to ...
NEW - 2004-06-21 - 09:18 by RogerNorrod
CommonMMConverterCycleFour2004Elec
Common MM Converter Electronics Division Request Cycle 4 2004 * Main.BobSimon ~50% to oversee assembly. * Main.TracyGuthrie ~50% for assembly work. * Mai...
NEW - 2004-05-07 - 09:43 by RogerNorrod
CommonMMConverterCycleSeven2004Elec
Common MM Converter Electronics Division Request Cycle 7 2004 * Main.BobSimon ~20% to oversee MCB integration and software testing. * Main.JohnFord ~10% to ...
NEW - 2004-09-21 - 09:48 by RogerNorrod
CommonMMConverterCycleSix2004Elec
Common MM Converter Electronics Division Request Cycle 6 2004 * Main.BobSimon ~10% to oversee MCB integration and software testing. * Main.JohnFord ~10% to ...
NEW - 2004-08-06 - 13:03 by RogerNorrod
CommonMMConverterCycleThree2004Elec
Common MM Converter Electronics Division Request Cycle 3 2004 * Main.BobSimon ~75% to oversee assembly. * Main.MikeStennes ~25% to assist in testing. * M...
r2 - 2004-03-17 - 13:05 by RichardPrestage
KaBandReceiverCycleFive2005Elec
Ka Band Receiver Electronics Division Request Cycle 5 2005 * Main.GalenWatts 100% for LO Distributor redesign and receiver support * Main.BillBennett 25...
NEW - 2005-06-24 - 13:15 by RogerNorrod
KaBandReceiverCycleFour2005Elec
Ka Band Receiver Electronics Division Request Cycle 4 2005 * Main.GalenWatts 100% for LO Distributor redesign and receiver support * Main.BillBennett 25...
NEW - 2005-05-09 - 10:18 by RogerNorrod
KaBandReceiverCycleOne2005Elec
Ka Band Receiver Electronics Division Request Cycle 1 2005 * Main.GalenWatts 100% for LO Distributor redesign and receiver support * Main.BillBennett 25...
r2 - 2004-12-16 - 08:56 by RogerNorrod
KaBandReceiverCycleThree2005Elec
Ka Band Receiver Electronics Division Request Cycle 3 2005 * Main.GalenWatts 100% for LO Distributor redesign and receiver support * Main.BillBennett 25...
NEW - 2005-03-25 - 12:59 by RogerNorrod
KaBandReceiverCycleTwo2005Elec
Ka Band Receiver Electronics Division Request Cycle 3 2005 * Main.GalenWatts 100% for LO Distributor redesign and receiver support * Main.BillBennett 25...
r2 - 2005-03-25 - 12:58 by RogerNorrod
ThreeMMReceiverCycleFive2005Elec
ThreeMMReceiver Cycle 5 2005 Electronics Devision Request * Main.MikeStennes 60% * Main.TracyGuthrie 50% * Main.RobTaggart 50% for thermal cal opti...
NEW - 2005-06-24 - 13:29 by RogerNorrod
ThreeMMReceiverCycleFour2005Elec
ThreeMMReceiver Cycle 4 2005 Electronics Devision Request * Main.MikeStennes 60% * Main.RandyMccullough 1 2 weeks to optimize detector amps. * Main.T...
NEW - 2005-05-09 - 10:57 by RogerNorrod
ThreeMMReceiverCycleOne2005Elec
ThreeMMReceiver Cycle 1 2005 Electronics Devision Request * Main.MikeStennes 60% * Main.TracyGuthrie 50% * Main.BobSimon 20% (Quartz Vacuum Window ...
NEW - 2004-12-16 - 08:47 by RogerNorrod
ThreeMMReceiverCycleSeven2005Elec
ThreeMMReceiver Cycle 7 2005 Electronics Devision Request * Main.MikeStennes 60% * Main.TracyGuthrie 50% * Main.RobTaggart 50% for fab drawings and...
NEW - 2005-09-21 - 14:34 by RogerNorrod
ThreeMMReceiverCycleSix2005Elec
ThreeMMReceiver Cycle 6 2005 Electronics Devision Request * Main.MikeStennes 60% * Main.TracyGuthrie 50% * Main.RobTaggart 50% for fab drawings and...
NEW - 2005-08-04 - 11:05 by RogerNorrod
ThreeMMReceiverCycleThree2005Elec
ThreeMMReceiver Cycle 3 2005 Electronics Devision Request * Main.MikeStennes 60% * Main.RandyMccullough 1 2 weeks to optimize detector amps. * Main.T...
r2 - 2005-03-29 - 08:18 by RogerNorrod
ThreeMMReceiverCycleTwo2005Elec
ThreeMMReceiver Cycle 2 2005 Electronics Devision Request * Main.MikeStennes 60% * Main.TracyGuthrie 50% * Main.BobSimon 20% (Quartz Vacuum Window ...
NEW - 2005-02-04 - 14:34 by RogerNorrod
XBandChanges
X Band Receiver Changes 1. Scope Add a polarization crossing switch and extend operating range to 11.1GHz 2. Strategic Value Requested by observers for study of...
r8 - 2009-10-19 - 10:54 by CarolynWhite
XBandChangesCycleFive2004Elec
X band Receiver Changes Electronics Division Request Cycle 5 2004 * Main.BobSimon 90%. * Main.TracyGuthrie 75%. Main.RogerNorrod 22 Jun 2004
NEW - 2004-06-22 - 09:39 by RogerNorrod
XBandChangesCycleFour2004Elec
X band Receiver Changes Electronics Division Request Cycle 4 2004 * Main.BobSimon ~50% to build RF and LO filters, and plan work. Main.RogerNorrod 07 May 2...
NEW - 2004-05-07 - 11:26 by RogerNorrod
XBandChangesCycleSix2004Elec
X band Receiver Changes Electronics Division Request Cycle 6 2004 * Main.BobSimon 20%. * Main.TracyGuthrie 10%. Main.RogerNorrod 06 Aug 2004
NEW - 2004-08-06 - 13:33 by RogerNorrod
XBandChangesCycleThree2004Elec
X band Receiver Changes Electronics Division Request Cycle 3 2004 * Main.BobSimon ~50% * Technician ~1 week Main.RogerNorrod 17 Mar 2004
r2 - 2004-03-17 - 13:11 by RichardPrestage
Number of topics: 24
Results from KPAF web retrieved at 00:17 (Local)
BaseLines
Main.BobSimon 03 Nov 2008 TKFPA29SEP08 Ward, Simon Testing the KFPA receiver in the lab Setup: Cold KFPA 1 pixel receiver with 300k waveguide load on feed window ...
r2 - 2008-11-04 - 10:41 by BobSimon
BlockDiagram
Main.BobSimon 2010 03 10 * blockDiagram.pdf: blockDiagram.pdf
NEW - 2010-03-10 - 13:06 by BobSimon
CleoChanges
Main.BobSimon 2010 08 25 Changes/Fixes to be made in hardware and software: Misc control screen: Should look like: * CalControl.pdf Cryo LNA control screen:...
r4 - 2010-08-26 - 10:15 by BobSimon
ComponentStatus
* Status011309.xls: Status011309.xls
r7 - 2009-01-14 - 13:36 by BobSimon
Connectivity
Main.BobSimon 2010 02 02 * connectivity.pdf: connectivity.pdf
NEW - 2010-02-02 - 10:42 by BobSimon
CoolDown
Main.BobSimon 2010 01 27 * cooldown_01_07_10.pdf: Eight wraps of Super Insulation added and temperatures sensors moved. No significant difference over prior c...
r3 - 2010-02-02 - 11:06 by BobSimon
CryoIsolator
Main.BobSimon 08 Apr 2008 * isolators.pdf: isolators.pdf
NEW - 2008-04-08 - 10:31 by BobSimon
GainAxialratio
Main.BobSimon 2010 03 05 * gain_axial_ratio.xlsx: gain_axial_ratio.xlsx * readme_gain.pdf: readme_gain.pdf
NEW - 2010-03-05 - 14:36 by BobSimon
GbtvsKfpa
Main.BobSimon 09 Jan 2009 Noise performance comparing the GBT K band receiver and the KFPA receiver with type I downconverter * GBTkband_vs_kfpa.xls: GBTkband_vs...
NEW - 2009-01-09 - 09:41 by BobSimon
HighResolution
Main.BobSimon 2011 02 07 High resolution pictures of the GBT K Band Focal Plane Array receiver * Dewar open: * Overall: * KFPA Project Man...
NEW - 2011-02-07 - 11:38 by BobSimon
LoPowerLevels
Main.BobSimon 01 Oct 2008 *Excel spreadsheet showing LO1 synthesizer power settings vs frequency. This will give correct LO1 drive at the downconverter input....
NEW - 2008-10-01 - 08:44 by BobSimon
MCBTopics
Main.BobSimon 2010 08 25 * CryoAmpSetup.xls: Setup spreadsheet for cryogenic amplifiers * KFPA7MCB.xls: MCB document * Proposed changes to the KFPA CLEO ...
NEW - 2010-08-25 - 10:50 by BobSimon
NoiseSummary010809
Main.BobSimon 09 Jan 2009 * README010709.TXT: README010709.TXT * README010809.TXT: README010809.TXT * kfpasummary010809.xls: kfpasummary010809.xls
NEW - 2009-01-09 - 09:37 by BobSimon
NoiseTempResults
Main.BobSimon 01 Oct 2008 * Results of noise temperature measurements in lab, 9/25/2008 * README92508.TXT: README92508.TXT * noise092508.xls: noise092508.x...
NEW - 2008-10-01 - 09:06 by BobSimon
NoiseTempResultsA
Main.BobSimon 04 Nov 2008 * README.TXT: README.TXT * noise092508.xls: noise092508.xls
NEW - 2008-11-04 - 11:36 by BobSimon
NoiseTempResultsB
Main.BobSimon 01 Oct 2008 * Results of noise temperature measurements in lab, 9/26/2008 * README92608.TXT: README92608.TXT * Meas26Sep08.xls: Meas26Sep08.xls...
r3 - 2008-10-02 - 09:30 by RogerNorrod
NoiseTempResultsC
Main.BobSimon 04 Nov 2008 * README102808.TXT: README102808.TXT * KFPA102808.xls: KFPA102808.xls
NEW - 2008-11-04 - 11:37 by BobSimon
NoiseTempSummary
Main.BobSimon 05 Nov 2008 Single pixel KFPA receiver. This is a summary view of noise temperature testing as done on 9/25, 9/26, and 10/28/2008, as compared to th...
NEW - 2008-11-05 - 13:16 by BobSimon
NoiseTemperature
Main.BobSimon 2010 01 26 * KFPAnoise_wCAL_04_21_10.xls: Combined noise cal data, last update 4/21/2010 * readme_04_21_10.txt: Noise cal data.readme *...
r5 - 2010-08-24 - 08:49 by BobSimon
Pictures
Main.BobSimon 11 Jan 2008 * Receiver room: * GBT turret: * K band Pamtech cryo isolator, picture 01 * K band Pamtech cryo isolator, picture 02: * K band f...
r8 - 2009-01-28 - 16:17 by BobSimon
ReceiverConnectivity
Main.BobSimon 2010 02 02 * conn_3_9_10.pdf: Connectivity from receiver to analog rack Cabling Feb 11, 2010, GW The cabling file shows # Seven Pixel 18 26.5 GH...
r3 - 2010-03-10 - 12:54 by BobSimon
SlidingWr42
Main.BobSimon 11 Apr 2008 * slidingwr42.pdf: S21 and S11 plots of sliding WR 42.pdf * Disassembled view. Elastomer fits into grooves in the WR 42 waveguide ...
NEW - 2008-04-11 - 08:58 by BobSimon
Spurs
Main.BobSimon 04 Nov 2008 Date: 10/28/2008, Simon From Langston's GBT observations ,we are trying to understand why Glen reported higher than expected system temp...
r3 - 2008-11-04 - 15:45 by BobSimon
Number of topics: 23
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