EUROPEAN OSCAR-79 (QB50p1)

Karman Institute and ISIS QB50p1

EO-79, also known as QB50p1 and FUNcube-3, is a 2U cubesat (10cm x 10cm x 20cm) built and launched as a collaborative effort led by the von Karman Institute and ISIS-BV. The primary function of the satellite is testing of the systems designed for the QB50 mission cubesats, including the Attitude Determination and Control System, Ion & Neutral Mass Spectrometer, Oxygen Flux Probe, Satellite Control Software, and the Quadpack deployer. Additionally, the satellite carries a AMSAT-NL constructed transponder as a return favor for support of the use of the amateur bands for the primary QB50 mission. The transponder will be active after the primary mission is complete, estimated at six months. FUNcube-3 – a fast-track mission to provide a “transponder only” payload on a 2U CubeSat which is part of the precursor programme for the QB50 mission. This transponder is expected to become operational after approximately 6 months of science activity.


NASA-Catalog: 40025

Downlink

145.815 MHz USB, 1k2 BPSK AX.25

Call

QB50P1

Status

ACTIVE

Orbital Parameter

NORAD                   40025
COSPAR designator       2014-033-R  
Inclination             97.977
RA of A. Node           132.507
Eccentricity            0.0014900
Argument of Perigee     71.430
Revs per day            14.85348036
Period                  1h 36m 56s (96.93 min)
Semi-major axis         6 991 km
Perigee x Apogee        602 x 623 km
BStar (drag term)       0.000130340 1/ER
Mean anomaly            288.858


Telemetry

from QB50P1 to QB50P1 
   1 > 00 FF 0F 05 4A 01 B3 01 02 00 02 00 00 00 2E 01 59 02 FE 01 
  21 > 00 00 6D 02 00 00 6E 02 39 0A 3C 0A 41 0A 70 20 2F 00 72 00 
  41 > 20 02 C8 00 7B 00 06 00 04 00 05 00 01 00 01 00 00 00 07 00 
  61 > 08 00 06 00 04 00 00 04 04 01 3F 0C 3F 0C 3F 0C 3F 0C 3F 0C 
20.06.2014, 0922 UTC first telemetry (DK3WN)
qb_qb50p1_28062014_0809

When the satellite reboots, it first transmits a short CW beacon and it should start transmitting AX.25 beacons with an interval of 10 seconds.


qb50p1_reboot_1

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