NRAO GBT Releases

Release 2.9.6 - November 11, 1999

Infrastructure:

• division of system between generic code called Ygor's Generic Observing Resources (YGOR) and telescope-specific code (for the GBT and GBI)
• new IEEE-488 library featuring new drivers and hardware
• reorganization of message and RPC numbers specifications
• use of GCC 2.7.2
• use of Solaris 2.5
• generic, table-driven ScanCoordinator
• IF chain descriptions

Device status:

• ScanCoordinator - working
• Archivist - working
• SwitchingSignalSelector - working
• DCR - working
• Holography - working
• SpectralProcessor - needs to be brought up to current version
• Spectrometer - in progress
• VLBI_DAS - no progress
• Antenna - working
• IFManager - working
• LO1 - coded but no debugging
• RcvrPF_1 - not tested
• Rcvr1_2 - working
• Rcvr2_4 - working
• Rcvr4_6 - working
• Rcvr8_10 - working
• Rcvr12_18 - working
• Rcvr18_26 - working
• Rcvr40_50 - no progress
• IFRack - working in simulation mode, no hardware available
• ConverterRack - working
• AnalogFilterRack - working
• MotorRack - working, but needs to be re-engineered
• Tipper - working
• Accelerometer - working
• ServoMonitor - working, but needs more development
• Hvac - no progress
• PF_SupportRack - working, but needs to be re-engineered
• Weather - in production use
• TimingCenter - in production use

Release 2.8.2 - March 26, 1999

Infrastructure:

• new SIB library featuring a cleaner design and improved error detection and recovery
• new multi-threaded, bullet-proof Accessor

Release 2.8.1 - February 10, 1999

Devices:

• ServoMonitor

Infrastructure:

• data descriptors for samplers in shared libraries
• use of generic loggers
• dynamic selection of data associated parameters
• Motif libraries dropped
• SBC Watchdog

Release 2.7.1 - July 28, 1998

Devices:

• MotorRack
• Receivers - 1-2 GHz, 2-4 GHz
• Spectral Processor not updated

Infrastructure:

• generic glish interface
• glish observer's interface
• tcl interface
• data descriptors for parameters in shared libraries
• use of cfitsio library
• improved message system
• IFManager not updated

Release 2.6.1 - January 26, 1998

• Compiled under g++
• Source control under CVS
• VxWorks 5.3

Release 2.5 - October 2, 1997

Devices:

• LO1 system
• Receivers - C,X,Ku,K, PF1
• IF Rack
• Converter Rack
• Switching Signal selector box
• Holography receiver
• DCR
• Spectral Processor

Functions:

• YAMS - Yet Another Monitor System
• Console widgets are red around the edges sometimes
• Spiffy message window and message system enhancements
• Configuration files control most defaults
• Antenna system builds and installs with the rest of the system

Infrastructure:

• Accelerometer manager for data aquisition
• Sit time modifications to include only one CPU
• Site time to run this version

Release 2.3 - September 20, 1996

Devices:

• Spectral Processor
• Receivers
• Timing center
• Weather station
• Registries for Receivers, weather, and timing

Functions:

• Restart option to taskmaster
• Fast Monitors
• Removed Registry coordinator
• More and spiffy monitor components

Infrastructure:

• Removed .cnsl suffix from console files
• Solaris 2.5 on gemini
• new data, log, and binary directories
• rack.cntl renamed sprack
• dynamically linked vxWorks libraries
• new FITS library

Release 2.2 - May 6, 1996

Devices:

• Spectral Processor
• X, K, and Ku band receivers
• Weather1
• Site Timing

Functions:

• Dynamic console
• glish 2.5.0.9a
• TaskMaster
• DBM in Receivers
• Environment variable sensitivity
• ManagerId change

Infrastructure:

• Data disks on Gemini
• Solaris 2.5 on Vela
• VxWorks 5.2 (With WindView hooks!)
• receivers on M&C Lan

Release 2.1 - March 8, 1996

Devices:

• Spectral Processor
• Receivers
• Timing center
• Weather station
• Registries for Receivers, weather, and timing

Features:

• Console re-write
• glish access to monitors
• Automatic re-connection for Consoles, Registries, and Accessors

Release 2.0 - October 30, 1995

Devices:

• Spectraal Processor
• Registries

Features:

• task independence`
• Messages
• Console with lower views implemented by a separate console database
• glish 2.5.0.6d
• ConfigIO
• findHost