Downlink parameters

Downlink transmitter parameters

• Transceiver model: ISIS TRXVU Rev.B
• Transmitter frequency: 435.275 MHz
• Total frequency error: 100 Hz
• Peak output power: 27 dBm (0.5 W)
• ITU emission class: 15K0G1DAN
• Modulation: BPSK
• Transmission bitrate: default: 1.2 kbps, may be higher: see more info
• Scrambling polynomial: x^17 + x^12 + 1 (G3RUH)
• Protocol: AX.25
• BPSK data flow: Raw Data comes from OBC, packed into frames with custom format.

Downlink UHF antenna parameters

• Antenna gain: 0 dBi
• Type: dipole
• Polarization: linear
• Radiated power (EIRP): 27 dBm
• UHF antenna gain pattern:
• Antenna placement on PW-Sat2: