D-Star ONE iSat

from Wikipedia, the free encyclopedia
D-Star ONE iSAT
Type: Demonstration satellite ,
amateur radio satellite
Country: GermanyGermany Germany
Operator: German Orbital Systems GmbH
COSPAR-ID : 2018-111-D
Mission dates
Dimensions: 4 kg
Size: 30 cm × 10 cm × 10 cm
Begin: December 27, 2018 02:07 UTC
Starting place: Vostochny Cosmodrome
Launcher: Soyuz-2-1a Fregat-M
Status: active
Orbit data
Rotation time : 96.3 min
Apogee height 595.9 km
Perigee height 577.8 km

D-Star ONE iSAT is a German nanosatellite that was designed and built by the Berlin company German Orbital Systems GmbH in cooperation with the Czech company iSky Technology sro. The satellite is equipped with an ADS-B system, which forwards tracking data from aircraft. The satellite also carries D-Star radio modules for amateur radio services via satellites.

mission

D-Star ONE iSAT was launched on December 27, 2018 together with the main payload, the Kanopus-V-5 and -6 satellites and a further 25 small satellites, including D-Star ONE Sparrow , UWE-4 and ZACube-2 with a Soyuz-2 -1a Fregat-M launched from the Russian cosmodrome Vostochny . The first contact with the ground station in Berlin took place on the day of the launch. The first telemetry was published on December 28, 2018 by Mike Rupprecht, DK3WN.

Frequencies

  • Uplink: 437.325 MHz (D-Star)
  • Downlink: 435.525 MHz (D-Star, transmission power 800 mW… 1200 mW)
  • Telemetry: 435.700 MHz 4k8 GMSK Mobitex (CMX990 Mobitex format)
  • Call Sign: DP2GOS

The use of the amateur radio frequencies was not coordinated with the IARU .

Web links

Individual evidence

  1. Ciprian Sufitchi: ISAT. January 12, 2019, accessed March 30, 2019 .
  2. iSky Technology sro: ISAT: Contact Established. December 27, 2018, accessed March 30, 2019 .
  3. Mike Rupprecht: iSAT D-STAR beacons decoded. December 28, 2018, accessed March 30, 2019 .