соверменных поделок (а может и подделок) Роскосмоса.
-гравитация виновата.
По транспондерам "новичков":
LituanicaSat-1 carries a 145/435 MHz FM transponder while LitSat-1 is thought to carry a 435/145 MHz linear transponder for SSB/CW communications.
The IARU coordinated frequencies are listed as:
LituanicaSAT-1
• FM Transponder Uplink 145.950 MHz Downlink 435.180 MHz
• AX25 Uplink 145.850 MHz AX25 Downlink 437.550 MHz
• CW Beacon 437.275 MHz
LitSat-1
• SSB Transponder Uplink 435.180 MHz Downlink 145.950 MHz
• AX25 Uplink 437.550 MHz Downlink 145.850 MHz
ArduSat
• 9k6 MSK CCSDS data format downlink 437.? MHz
UAPSAT
• AX.25 Packet Radio uplink 145.980 MHz downlink 437.385 MHz