Specifications
Version 1.0 — February 2026
Antenna Specifications
Frequency and Polarization
| Parameter |
Specification |
| Ka-Band Receive Frequency Range |
25.5 GHz – 27.0 GHz |
| Ka-Band Receive Polarization |
RHCP and LHCP simultaneous |
| X-Band Receive Frequency Range |
7 900 MHz – 8 400 MHz |
| X-Band Receive Polarization |
RHCP and LHCP simultaneous |
| S-Band Receive Frequency Range |
2 200 MHz – 2 300 MHz |
| S-Band Receive Polarization |
RHCP and LHCP simultaneous |
| S-Band Transmit Frequency Range |
2 025 MHz – 2 120 MHz |
| S-Band Transmit Polarization |
RHCP / LHCP selectable |
| Parameter |
Specification |
| Antenna Diameter |
3.7-3.9 m |
| Ka-band G/T |
30.5 dB / K |
| X-Band G/T |
≥25.5 dB / K |
| S-Band G/T |
≥12.8 dB / K |
| S-Band Tx EIRP |
50 dBW |
| S-Band Tx Gain |
≥34.4 dBi |
| S-Band Tx Power |
200 W (max) |
| Side-lobes |
18 dB peak |
| Azimuth Range |
0° – 360° |
| Elevation Range |
5° – 110° |
| Tracking |
Program (TLE) / Step Track in S/X Band |
Modem Specifications
Payload Downlink – Ka & X Band Downlink
| Parameter |
Specification |
| Modulation Type |
BPSK / QPSK / OQPSK / 8PSK / 16 QAM / DVB-S2 (X) |
| Carrier Acquisition Frequency Range |
0 to 10 MHz |
| Matched Filter Type |
None / RC / RRC / Integral Dump |
| Roll Off |
0 to 100 |
| Bit Rate (kbps) |
5 to 750 000 |
| PCM Coding Type |
NRZ – L / NRZ – M / NRZ – S / Dual NRZ - M |
| TCM Rate Mode (if enabled) |
4D – 8PSK (2.0- 2.75 bits / symbol) |
| Viterbi Decoding (if enabled) |
OnehalfK7, Inverted / not Inverted |
| Frame Length (bits) |
128 to 131 072 |
| Frame Synchronization Strategy |
SYN, CTL, LTS and Bit Slip parameters |
| Reed Solomon Decoder |
CCSDS 255 / 223, CCSDS 255 / 239 |
Telemetry Downlink – X and S band
| Parameter |
Specification |
| Sample Rate |
5 to 40 000 000 000 samples per second |
| Modulation Type |
BPSK / QPSK / OQPSK / 8PSK / DQPSK / FSK / MSK |
| DVB-S Decoding Compatible |
Yes |
| Carrier Acquisition Frequency Range |
0 to 10 MHz |
| Matched Filter Type |
None / RC / RRC / Integral dump |
| Roll Off (%) |
0 to 100 |
| Rate Detect Processing |
Yes, auto rate features compatible. |
| PCM Coding Type |
NRZ – L / NRZ – M / NRZ – S |
| Viterbi Decoding (if enabled) |
1/2, 2/3, 3/4, 5/6, 7/8 (K=7), G1 Invert / G2 Invert |
| Frame Length (bits) |
0 to 10 232 |
| Frame Synchronization Strategy |
SYN, CTL, LTS and Bit Slip parameters |
| Reed Solomon Decoder |
CCSDS 255 / 223, CCSDS 255 / 239 |
Telecommand Uplink – S band
| Parameter |
Specification |
| Modulation Type |
BPSK / QPSK / OQPSK / 8PSK / DQPSK / FSK / MSK |
| Matched Filter Type |
None / RC / RRC / Bandpass / Gauss |
| Roll Off (%) |
0 to 100 |
| PCM Coding Type |
NRZ – L / NRZ – M / NRZ – S / RZ |
| Convolutional Encoding |
1/2, 2/3, 3/4, 5/6, 7/8 (K=7), G1 invert, G2 invert |
| Frame Length in Bytes (inc ASM) |
0 to 2^64 - 1 |
| Reed Solomon Decoder |
CCSDS 255 / 223, CCSDS 255 / 239 |
| Interleaving depth |
1 to 8 |
Note
Stated above are configurations that are currently supported in the system. Software implemented Modem specifications can be updated to comply with any additional specific requirements.
Interface Specifications
Customer Interfaces
| Protocol |
Interface |
| REST |
Scheduling, Orbital elements |
| Websocket |
Real Time Telemetry & Telecommand Access |
| S3 |
Payload Data Downlink |