Accession Number : ADA288725

Title :   Real-Time Data Storing Package for Skynet Trials.

Descriptive Note : Technical note.,

Corporate Author : DEFENCE RESEARCH ESTABLISHMENT OTTAWA (ONTARIO)

Personal Author(s) : Boudriau, E. R.

PDF Url : ADA288725

Report Date : APR 1994

Pagination or Media Count : 61

Abstract : A series of week-long experiments on an EFIF downlink were conducted by the MILSATCOM groups at CRC and DREO. The software developed for these experiments included a reliable and robust data logging package to record the setup and measurements data required for post experiment analysis. The software provided the Skynet EHF Trials with a data logging package written in 'C' that would interface with the existing serial communication software. The package was used as a real time storing device for recording experimental data such as hop power, noise power spectral density and pointing angles. In addition to data logging, the software had to provide several date and time references using the zulu time provided by a GOES satellite clock as the Trials' time reference. The software was loaded in a computer called Data Logger and was responsible for opening and closing all high and low level communications with the processors linked to it.

Descriptors :   *SATELLITE COMMUNICATIONS, *DOWNLINKS, COMPUTER PROGRAMS, DATA PROCESSING, EXPERIMENTAL DATA, CLOCKS, REAL TIME, CANADA, POWER SPECTRA, RECORDING SYSTEMS, NOISE, EXTREMELY HIGH FREQUENCY, PHASE SHIFT KEYERS, MASS STORAGE, ERROR ANALYSIS.

Subject Categories : Radio Communications
      Unmanned Spacecraft

Distribution Statement : APPROVED FOR PUBLIC RELEASE