Report: RF&Mod Systems-Part 1: Earth Stations - CCSDS

DLRTRACK SYSTEMRADIO METRIC CHARACTERISTICSCHARACTERISTICSUNITSSUBNETWORK OR STATION15-METER 1 STATION15-METER 2 STATIONGENERALSTATION DESIGNATIONLOCATION(S)DIAMETER--m15 m 1Weilheim, Germany1515 m 2Weilheim, Germany15FREQUENCIESTRANSMIT FREQUENCIESMHz2025 - 21202025 - 2150RECEIVE FREQUENCIESMHz2200 - 23002200 - 2300TURNAROUND FREQ RATIO-240 / 221240 / 221DOPPLERCOHERENT/NON-COHERENTCOUNTER RESOLUTIONMAX DOPPLER FREQ SHIFTDOPPLER BIAS FREQDRIFTOUTPUT EQUATIONDIRECTION INDICATOR-CyclesMHzMHz∆f/f--Either0.001± 0.1508 x 10 -12 @ 1 min± f d+ ∆f = -∆rEither5 ns0.150.1 - 1.0 in 50 kHz Steps8 x 10 -12 @ 1 min(N η + 1 - N η ) - (0.1 + T η + 1 - T η )RANGING-COHERENT/NON-COHERENTSin/SqEitherEitherRANGE CODE WAVEFORMRad PkSineSine / PRNEARTH STATION MOD INDEX-0.1 - 1.50.01 - 1.5RANGE CODE FREQ RATIOkHz5:1, 4:15:1, 4:1MAJOR CODE FREQ(S)kHz100100 - 3000 in 0.1 Hz StepsMINOR CODE FREQ(S)dB20, 16 (0.8, 0.16, 0.32, 0.008 on 16 kHz)Minor Codes η = 0. . . .20MIN RECEIVED CARRIER SNRdB-Hz12.212.2MIN REQ CODE PWR/NoCODE INTEGRATION TIMEs-Major = 22, Minor = 138-100.5 - 100ACQUISITION SEQUENCEMajor Code First, then Minor CodesMajor Code First, then Different Code LengthRANGE DATA UNITSRANGE QUANTIZATIONACCURACY (STRONG SIGNAL)MAX UNAMBIGUOUS RANGE--mkmNanoseconds1 ns0.1518 750Nanoseconds1 ns0.53 000 000TRANSPONDER BWMHz0.32 * Major Code Frequency1. CAPABILITY OR DATA IS NOT AVAILABLE 2. SOME LIMITATIONS APPLY TO THIS CAPABILITY 3. NOT RECOMMENDED BY CCSDS6445-4021CCSDS 411 G-3 Page 4.9-23May 1997