Add V-R3x satellites to DB
Satellite name
- VR3X-A
 - VR3X-B
 - VR3X-C
 
Description
V-R3x is a NASA Ames, Stanford, and Carnegie Mellon mission demonstrating on-orbit topology recovery and distributed radiation measurements. All three 1U spacecraft were built using PyCubed hardware. The entire project design repo will be made public shortly.
- All three spacecraft have identical RF info (below).
 - Launch January 2021
 
Image
Transmitter 1
UHF Radio - 915.6 MHz
Transmitter Name
HopeRF RFM95PW (akin to Semtech SX1276)
Type
Transceiver
Service
'Space Research'
Downlink Frequency
9.156e+8 Hz (915.6 MHz)
Downlink Mode
LoRa SF7, BW62500, CR8 = ~3000 bps Explicit preamble of length 8 Sync word = 0x12
Dowlink Encoding
Beacon: raw bytes (interactive decode here)
Downlink (via command only): base64
Uplink Frequency
9.156e+8 Hz (915.6 MHz)
Uplink Mode
LoRa SF9, BW250000, CR8 = ~2000 bps Explicit preamble of length 8 Sync word = 0x12
Uplink Encoding
Raw bytes
Call Sign
KD2BHC
TBD
- 
operator call sign [2021-01-05]  - 
NORAD catalog number  - 
websites: https://www.nasa.gov/ames/v-r3x/ http://vr3x.space/  
(will announce pending internal approval)
- 
transmitter 2 details  - 
make full spacecraft design repo public  
Edited  by Max Holliday
