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PHOENIX-COMMUNICATION

How to communicate with PHOENIX!?

RF Information

Downlink 436.915 MHz
Modulation GMSK
Call Sign ON01TW
Maximum Power 1W

Two Line Element

Epoch 2017 Jun 7 20:37:14.100
Inclination(degrees): 51.6405
RAAN Ω(degrees): 89.6243
Eccentricity : 0000606
Argument of perigee (degrees): 264.1635
Mean Anomaly (degrees): 95.9287

PHOENIX Beacon Format

The detail of PHOENIX beacon is in the following table

  • The blue blank is kiss mode (tnc) protocol.
  • The red blank is AX.25 protocol.
  • The green blank is CCSDS header.
  • The orange blank is beacon data.
Byte Context Description
0 C0 Kiss(TNC) mode (frame end)
1 00 TNC port
2-8 9C 86 96 AA 8E A6 E0 Destination address (NCKUGS)
9-15 9E 9C 60 62 A8 AE 61 Source address (ON01TW)
16 03 Control bits
17 F0 Protocol identifier
18 00 Frame identification
19 5C Master frame count (counter)
20 5C Virtual channel frame count (counter)
21 00 First header pointer
22-23 08 0A Packet ID
24-26 DB DC 5C Packet sequence control #because of kiss mode of TNC, the DB DC actually are C0, so the Packet sequence is C0 5C
27-28 00 12 Packet length (actually data length-1, and beacon data length is 19)
29 10 Spare (0) + TM source packet (001) + spare (0000)
30 03 Service type (beacon is 3)
31 19 Service subtype (beacon is 25)
32-36 1F FB 04 2A 00 Time
37 FE SID (beacon is 254)
38 04 Mode
39 FF Battery voltage
40 FF Battery current
41 FF 3.3 bus current
42 EE 5 bus current
43 AB Communication board temperature
44 FF EPS board temperature
45 FF Battery temperature
46-47 A5 F6 Packet error control
48 03 Frame status
49 C0 Kiss(TNC) mode (frame end)