HAM INFO

Since KOSTKA is an amateur radio mission, it provides a range of services for the amateur radio community, including an digipeater and AX.25 telemetry beacons. In the near future, operators can also look forward to receiving images from orbit using the SSDV protocol. 

Since KOSTKA is an amateur radio mission, it provides a range of services for the amateur radio community, including an digipeater and AX.25 telemetry beacons. In the near future, operators can also look forward to receiving images from orbit using the SSDV protocol. 

COMMUNICATION PARAMETERS

COMMUNICATION PARAMETERS

Callsign

Callsign

OK0KST

OK0KST

Frequency

Frequency

UHF 436,870 MHz (+- Doppler shift)

UHF 436,870 MHz (+- Doppler shift)

Modulation

Modulation

CW (Morse), GFSK

CW (Morse), GFSK

Data rate

Data rate

9600 baud

9600 baud

Morse

Morse

20 WPM

20 WPM

Protocols

Protocols

AX.25, Morse, experimental SSDV (in future)

AX.25, Morse, experimental SSDV (in future)

TX power

TX power

1W (30 dBm)

1W (30 dBm)

Antenna

Antenna

Turnstile dipole

Turnstile dipole

Polarisation

Polarisation

Circular RHCP

Circular RHCP

TLE

TLE

ISS · PreLaunch
1 25544U 98067A 26180.50883825 .00005660 00000+0 10902-3 0 9997
2 25544 51.6320 239.0980 0004278 246.9974 113.0563 15.49477794573665
ISS · PreLaunch
1 25544U 98067A 26180.50883825 .00005660 00000+0 10902-3 0 9997
2 25544 51.6320 239.0980 0004278 246.9974 113.0563 15.49477794573665

HAM INFO

First Czech university team focused on satellite development.

© 2026 | All rights reserved | Website made by Damian Knoth

First Czech university team focused on satellite development.

© 2026 | All rights reserved | Website made by Damian Knoth

First Czech university team focused on satellite development.

© 2026 | All rights reserved | Website made by Damian Knoth

First Czech university team focused on satellite development.

© 2026 | All rights reserved | Website made by Damian Knoth