Amateur Satellite Frequency combination operating mode.

In Amateur Satellite operating there are certain operating mode or frequencies combinations that we need to follow of.

Frequencies ranges that is use with Amateur Satellite is:
1) 145MHz
2) 435MHz
3) 21MHz
4) 29MHz
5) 2.4GHz

Several combinations mode of uplink and downlink for the above frequencies is:

1) Mode A 145 up / 29 down
2) Mode B 435 up / 145 down
3) Mode JA 145 up / 435 down (Analogue Modulation)
4) Mode JD 145 up / 435 down (Digital Modulation)
5) Mode K 21 up / 29 down
6) Mode S 435 up / 2.4G down
7) Mode T 21 up / 145 down

Good luck operating Amateur Satellite.

From 9M6WST Wong.