#^Tretia slovenská družica mieri do vesmíru. Všetky informácie na jednom mieste.Na tomto mieste môžete nájsť aktualizované informácie k štartu družice Veronika.
Aktualizácia: 8. 11. 2023, 19:30 SEČ, Pridané prvotné informácie.
Základné informácie
Typ družice: 1U cubesat
Hmotnosť: 1010 g
Rozmery: 100 x 100 x 113.5 mm
Obežná dráha: 550km, SSO
Dátum štartu: NET November 2023
Čas štartu: TBD
Miesto štartu: Vandenberg Space Force Base, California, USA
Nosná raketa: Falcon 9 Block 5, SpaceX, misia
Transporter-9Kontakt pre médiá: info(zavináč)sosa(bodka)sk
Popis misie
TBD
Logo misie
TBD
Oficiálny živý prenos
TBD
Informácie pre rádioamatérov
Basic information on VERONIKA satellite reception
- NORAD ID: TBD
- Callsign: OM9VER
- UHF Downlink frequency: 436.680 MHz +/- Doppler shift
- VHF Downlink frequency: 145.925 MHz +/- Doppler shift
- Modulation: GFSK, CW
- Encoding: G3RUH 9k6 baud
- Morse: 20 WPM
- Protocols: AX.25, Morse
- Transmitting power: 1W (30dBm)
- Onboard antenna: Dipole
- Antenna polarization: Linear
Orbital parameters / Preliminary TLE
Orbit: 550km SSO
TBD
Message types
- AX.25 TRX beacon packet
- AX.25 OBC beacon packet
- AX.25 PSU beacon packet
- AX.25 Magnetometers beacon packet
- Solar beacon packet
- AX.25 message
- CW data beacon
- Ground Station communication
Note: Examples from EM satellite model.The transmission period is following:OBC/PSU/MGS, SOL AX.25 beacon every
90s (UHF)
TRX UHF AX.25 beacon every
90sTRX UHF AX.25 message every
270sTRX VHF AX.25 beacon every
90sTRX UHF Morse beacon every
180sThere are offsets applied between transmissions.
Example of decoded AX.25 TRX beacon packets
Data in AX.25 TRX beacon packet values are comma-separated.
1:Fm OM9VER To CQ [10:44:13R] [AA] [+++++++]
U,600,1291714,85,0,2723,2766,2650,0,,187,263,95,145
Explanation: - Beacon identification [U – UHF, V – VHF]
- Uptime since reset [s]
- Uptime total [s]
- Radio boot count
- RF segment reset count
- Radio MCU act. temperature [0.01°C]
- RF chip act. temperature [0.01°C]
- RF power amplifier act. temperature [0.01°C]
- Digipeater forwarded message count
- Last digipeater user sender’s callsign [ASCII, 6 spaces means nobody yet]
- RX data packets (AX25 with CRC matched, includes CSP and digipeater packets)
- TX data packets (includes CSP and digipeater packets)
- Actual RSSI, ((value / 2) – 134) [dBm]
- Value of RSSI when carrier detected – after preamble ((value / 2) – 134) [dBm]
Example of decoded AX.25 OBC beacon packet
OBC packet is a packet created by Eddie Onboard Computer including selected interesting values. Values are comma separated.
1:Fm OM9VER To CQ [10:44:47R] [AA] [+++++++]
OBC,5,636,11026,8042,2642,6024
Explanation: - OBC – Packet identification
- rst – Boot count
- uptime – Uptime [s]
- uptimeTot – Total uptime [s]
- bat – Analog measured battery level [mV]
- tempMCU – MCU temperature [0.01°C]
- freemem – Remaining storage space
Example of decoded AX.25 PSU beacon packet
PSU packet is created by the OBC. Values are comma separated.
1:Fm OM9VER To CQ [10:44:37R] [AA] [+++++++]
PSU,10,628,16086,8038,2793,2411,326,72,75,1,331
Explanation: - PSU – Packet identification
- rst – PSU reset number
- uptime – Current uptime since last reset [s]
- totalUptime – Total uptime cumulative [s]
- bat – Battery voltage [mV]
- tempSys – System temperature [0.01°C]
- tempBat – Battery temperature [0.01°C]
- curIn – Battery current in [mA]
- curOut– Battery current out [mA]
- chStat – Bit-Masked channel status *
- sysState – System state **
- gndWdt – Remaining ground watchdog timer [h]
* Bit 0 – Channel 0, 0/1 – Off/On (channels from 0 to 6)
** 1 – Okay, 2 – Power saving, 3 – Power critical
Example of decoded AX.25 MGS beacon packet
MGS payload packet is created by the OBC. Values are comma separated.
1:Fm OM9VER To CQ [10:44:27R] [AA] [+++++++]
MGS,2980,2711,2886,461,-10922,-163,34,-59,2820,2439,-3657,-1529,-3147,-17,-89,19
- MGS – Packet identification
- tempIntMag – Internal magnetometer temperature [0.01°C]
- tempIntGyr – Internal gyroscope temperature [0.01°C]
- xIntMag – Internal magnetometer X axis value
- yIntMag – Internal magnetometer Y axis value
- zIntMag – Internal magnetometer Z axis value
- xIntGyr – Internal gyroscope X axis value
- yIntGyr – Internal gyroscope Y axis value
- zIntGyr – Internal gyroscope Z axis value
- tempExtMag – External magnetometer temperature [0.01°C]
- tempExtGyr – External gyroscope temperature [0.01°C]
- xExtMag – External magnetometer X axis value
- yExtMag – External magnetometer Y axis value
- zExtMag – External magnetometer Z axis value
- xExtGyr – External gyroscope X axis value
- yExtGyr – External gyroscope Y axis value
- zExtGyr – External gyroscope Z axis value
Example of decoded AX.25 SOL beacon packet
SOL payload packet is created by the OBC. Values are comma separated.
1:Fm OM9VER To CQ [10:44:17R] [AA] [+++++++]
SOL,2400,2468,2450,2406,2443,2437,152,142,144,137,142,142
- SOL – Packet identification
- tempZP – Temperature on Z+ panel [0.01°C]
- tempXP – Temperature on X+ panel [0.01°C]
- tempYP – Temperature on Y+ panel [0.01°C]
- tempZN – Temperature on Z- panel [0.01°C]
- tempXN – Temperature on X- panel [0.01°C]
- tempYN – Temperature on Y- panel [0.01°C]
- diodeZP – Photodiode measurement on Z+ panel [ADC value]
- diodeXP – Photodiode measurement on X+ panel [ADC value]
- diodeYP – Photodiode measurement on Y+ panel [ADC value]
- diodeZN – Photodiode measurement on Z- panel [ADC value]
- diodeXN – Photodiode measurement on X- panel [ADC value]
- diodeYN – Photodiode measurement on Y- panel [ADC value]
Example of decoded AX.25 message beacon packet
1:Fm OM9VER To CQ [02:32:33R] [AA] [+++++++]
VERONIKA AX.25 test message for radio amateurs: Hello Space!
Example of CW data beacon
Every CW beacon stars with
"de om9ver = " and ends with
"ar".
de om9ver = u5433r126t29p30 ar
Explanation: - Total uptime [min]
- Reset number
- Temp MCU [°C]
- Temp Radio PA [°C]
u5433 = Uptime 5433 minute
r126 = 126 resets of radio
t29 = 29 degree of Celsius on DL radio MCU
p30 = 30 degree of Celsius on DL radio PA
Recommended TNC modem setup:
PACLEN 255
TXDELAY 15
MYCALL [Your callsign]
UNPROTO CQ (or callsign)
Galéria
Družica Veronika
Integrácia družice Veronika do vystrelovacieho zariadenia
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Tretia slovenská družica mieri do vesmíru. Všetky informácie na jednom mieste. appeared first on
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