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Antenna systems
- 2.4-meter prime focus antenna dish
- Gain 44 dBi @ 8200 MHz, F/D 0.38
- Kumar choke ring to match antenna F/D
- X-band septum feed with WR-90 outputs
- Circular polarization: RHCP/LHCP
- Switchable/simultaneous receive mode
- NF ≈ 1dB, G/T 26 dB/K
- Integrated LNAs and downconverter (L-band IF)
- 2-axis rotator
- Speed up to 6°/s
- Tracking and pointing precision 0.1°
- AZ 0-360° with overturn, EL 0-90°
- Limit switches in every direction
- 24V/25A DC motors
- SDR based modem
- X-300 from Ettus research
- 2x SBX-120 motherboards (each up to 200 MHz BW)
- 2xTx, 2xRx, GPS locked LO, 10 MHz ref. output
- Fully redundant thanks to power splitters and RF switches
- Downlink frequencies
- Meteorogical: 7750-7900 MHz, 125 MHz BW
- Earth-observation: 8025-8400 MHz, 375 MHz BW
- Space research: 8400-8500 MHz, 100 MHz BW
- Lowest received freq. 7500 MHz (tested on Electro-L2 GEO sat.)
- 4.5 - meter prime focus mesh antena
- Gain 38.1 dBi @ 2200 MHz, F/D 0.45
- Septum feed with Chaparral ring
- Circular polarization: RHCP/LHCP
- Rx/Tx switchable
- NF ≈ 0.5 dB, A = 30 dB
- SSPA 100W
- 2-axis rotator
- Speed up to 6°/s
- Tracking and pointing precision 0.1°
- AZ 0-360° with overturn, EL 0-90°
- Limit switches in every direction
- 24V/25A DC motors
- SDR based modem
- B-210 from Ettus research
- Up to 56 MHz of real-time RF bandwidth
- 2x Rx/Tx, 2x Rx ports
- GPS antenna IN, 10 MHz ref. OUT
- Operating frequencies
- Uplink: 2025-2110 MHz, 85 MHz BW
- Downlink: 2200-2290 MHz, 90 MHz BW
- Antenna: 436CP30 (M2 systems)
- PS-70CM polarization switch (RHCP/LHCP)
- Frequency range: 432-440 MHz
- LNA: NF=0.5 dB, A=20 dB
- RF filter: 434 MHz, Atten. 40 dB
- Total frontend gain 50 dB
- Rotator: Yaesu G-5500DC
- SDR: B210 from Ettus Research
- SatNOGS integration supported
Last modified 9mo ago