AMATEUR SATELLITE BLOG

BeeSat-4 CW beacon , 13:39 UTC September 09 2016



BeeSat-4 is based on BeeSat-2 and features an advanced GPS receiver. It will be carried inside the BIROS satellite and will be deployed after BIROS has reached orbit. 

BEESAT-4, a pico-satellite (cubesat); a tiny 'high-tech die' with an edge length of just 10 centimetres. It will be separated from BIROS and communicate with it during formation flight via an inter-satellite link.

The main (non-amateur) mission goal of the BIROS satellite is the detection of thermal hot spots like forest fire or volcano activities. The main payload of the BIROS satellite will be a multispectral camera system. The satellite itself is a 3-axes stabilized platform with reaction wheels and magnetorquers. The standard downlink and uplink is a wire S-Band and does not use amateur-satellite service bands.

Only for short experiments the UHF modem will be used. Using BIROS’ UHF modem, the communication (435.950 MHz) between amateur satellite BEESAT-4 and ground stations should be monitored. The same experiment will be done for communication between BIROS and ground stations (BEESAT-4 will be monitoring), until BEESAT-4 drifted too far away from BIROS.
After the experiment is ended the satellite’s UHF modem can be used by amateurs as a digipeater. Furthermore it will provide a beacon signal for radio amateurs.


TLE of BeeSat-4 :
BEESAT-4       
1 99900U 16040X   16253.45902778  .00001890  00000-0  91178-4 0    06
2 99900  97.5027 312.1384 0011267 333.5607 119.1630 15.19388474    04


 Signal BeeSat-4 on SpectraVue



 Analyze CW Beacon with Audacity



CLICK PLAY BUTTON on RIGHT BOX for PLAY
 Audio Record BeeSat-4 beacon



 




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