Unknown satellite on 435.815 57184
OBJECT U
1 57184U 23091U 23187.65900573 .00002500 00000-0 18480-3 0 9997
2 57184 97.6671 238.2962 0014553 201.6003 158.4610 15.04047871 1367
2 Likes
Stratosat TK-1 (RS52S) : 57167
OBJECT B
1 57167U 23091B 23187.66384621 .00003359 00000+0 25180-3 0 9996
2 57167 97.6644 238.2888 0017544 213.1126 146.9003 15.03249907 1363
Monitor-2: 57174. Also possible: 57173
Frequency 435.865
OBJECT J
1 57174U 23091J 23187.66607286 .00002448 00000+0 18676-3 0 9999
2 57174 97.6647 238.2849 0015111 220.6328 139.3771 15.02872333 1368
CubeSX-HSE-3: 57178. Also possible: 57177
OBJECT N
1 57178U 23091N 23187.66431838 .00004312 00000+0 32237-3 0 9992
2 57178 97.6679 238.2967 0018530 207.0950 152.9310 15.03179599 1361
2 Likes
UTMN2 on 436.125 57203
OBJECT AP
1 57203U 23091AP 23187.65668922 .00003955 00000-0 28674-3 0 9999
2 57203 97.6658 238.2978 0013986 198.4975 161.5744 15.04445740 1361
3 Likes
It’s UTMN2
2 Likes
Thanks I’ll change the post, and approve you transmitters suggestions
2 Likes
CSTP-1.2 is most likely 57186:
rms limit (kHz): 0.3
57186 0.026 kHz 436.273743 MHz
57195 0.093 kHz 436.273910 MHz
57196 0.277 kHz 436.274190 MHz
Identified 3 candidate(s), best fitting satellite is 57186.
3 Likes
Polytech_Universe-3 is probably 57191:
rms limit (kHz): 0.3
57177 0.182 kHz 436.554108 MHz
57178 0.187 kHz 436.553102 MHz
57191 0.029 kHz 436.553739 MHz
Identified 3 candidate(s), best fitting satellite is 57191.
3 Likes
CSTP-1.1 is probably 57202:
rms limit (kHz): 0.3
57200 0.137 kHz 436.272993 MHz
57201 0.097 kHz 436.273183 MHz
57202 0.039 kHz 436.273688 MHz
57203 0.136 kHz 436.274305 MHz
Identified 4 candidate(s), best fitting satellite is 57202.
Edit: Please ignore the nominal frequency, as I forgot to set it correctly.
3 Likes
Thank you all for the suggestions on NORAD ID to follow for each of the satellites.
I’ve also added in DB the unknown satellites that @PE0SAT suggested, I’m going to schedule them later. They are SatNOGS DB - Satellite 2 from 23091 and SatNOGS DB - Satellite 3 from 23091
1 Like
Unknown satellite on 435.300 what appears to be 9600 baud FSK 57188
OBJECT Y
1 57188U 23091Y 23187.65779497 .00003428 00000-0 25034-3 0 9993
2 57188 97.6649 238.3048 0014231 202.3235 157.7373 15.04257333 1364
1 Like
Unknown satellite on 435.446 what appears to be 9600 baud FSK 57197
OBJECT AH
1 57197U 23091AH 23187.65723975 .00004240 00000-0 30785-3 0 9995
2 57197 97.6644 238.2915 0013589 204.4030 155.6554 15.04356326 1362
Did you mange to receive from UHF frequency 436.5 Mhz?
Which satellite? Asking for adding it in DB and be able to track it.
Updated on 09.07 08:00 UTC
Bolded TLE taken from Celestrak
| Temporary NORAD | Satellite | Frequency/Mode | Notes | Followed NORAD ID |
|---|---|---|---|---|
| 99154 | METEOR 2 No.2-3 | Link | 57166 | |
| Amateur UHF | ||||
| 99163 | CubeBel-2 (EU11S) | 436.990/FSK | IARU Coordinated | 57175 |
| 99151 | StratoSat TK-1 (RS52S) | 435.870/GFSK 9k6 | IARU Coordination in process | 57167 |
| 99136 | UmKA-1 (RS40S) | 437.625/GMSK G3RUH AX.25 2k4 | IARU Coordinated | 57172 |
| 99153 | ArcCube-01 (RS25S) | 437.600/GMSK USP | IARU Uncoordinated | 57205 |
| 99152 | Sirius-SINP-3U | 436.550/AFSK 1k2 | IARU Uncoordinated | 57170 (57169, 57171) |
| 99144 | Svyatobor-1 (RS60S) | 437.875/GMSK USP | IARU Uncoordinated | 57187 |
| 99143 | Nanozond-1 (RS49S) | 437.000/GMSK USP | IARU Uncoordinated | 57190 |
| 99142 | AHMAT-1 (RS41S) | 437.050/AFSK 1145 | IARU Uncoordinated | TBD |
| 99141 | CubeSX-HSE-3 (RS42S) | 436.570/GMSK USP | IARU Uncoordinated | 57178 |
| 99140 | VIZARD-meteo (RS38S) | 437.825/GMSK USP | IARU Uncoordinated | 57189 |
| 99139 | Monitor-2 (RS39S) | 435.000, 435.860(?) DOKA 9k6 | IARU Uncoordinated | 57173 |
| 99138 | Monitor-3 (RS58S) | 435.290/GMSK USP | IARU Uncoordinated | 57180 |
| 99137 | Monitor-4 (RS57S) | 436.080/GMSK USP | IARU Uncoordinated | 57182 |
| 99135 | KuzGTU-1 (RS47S) | 437.100/GMSK USP | IARU Uncoordinated | 57217 |
| 99134 | ReshUCube-2 (RS37S) | 435.640, 435.742, 436.675/DOKA 9k6 | IARU Uncoordinated | 57185 |
| 99133 | UTMN2 (RS27S) | 436.125/GMSK USP | IARU Uncoordinated | 57203 |
| 99128 | Norby-2 | 436.500/LoRa | 57180 | |
| 99092 | SamSat-ION | 437.402/CW | IARU Uncoordinated | 57179 |
| 99131 | Avion Kaluga 650 | 435.615, 435.715/DOKA 9k6 | IARU Uncoordinated | 57195 |
| 99132 | Polytech Universe 3 (RS46S) | 435.050/LoRa 62.5k | IARU Uncoordinated | 57191 |
| 99091 | CSTP-1.1 (STC-1.1) | 436.075/LoRa 62.5k | Without callsign/IARU Uncoordinated | 57202 (57201) |
| 99090 | CSTP-1.2 (STC-1.2) | 436.270/LoRa 62.5k | Without callsign/IARU Uncoordinated | 57186 (57195) |
| Unknown Satellites | ||||
| 99069 | Satellite 2 from 23091 | 435.790 | 57174 | |
| 99068 | Satellite 3 from 23091 | 435.815 | 57184 | |
| 99067 | Satellite 4 from 23091 | 435.300/FSK 9k6 | 57188 | |
| 99066 | Satellite 5 from 23091 | 435.445/FSK 9k6 | 57197 | |
| Commercial Band | ||||
| 99087 | A-SEANSAT-PG1 | 401.500 MHz / FM | 57186 | |
| 99125 | Rassvet-1-1 | 637.500 MHz / FM | ||
| 99094 | Rassvet-1-2 | 637.500 MHz / FM | ||
| 99093 | Rassvet-1-3 | 637.500 MHz / FM | ||
| Satellites with Unknown Transmitters | ||||
| 99127 | Yarilo No. 3 | |||
| 99126 | Yarilo No. 4 | |||
| 99089 | Impulse-1 | |||
| 99086 | Hors 1 | |||
| 99085 | Hors 2 | |||
| 99084 | SATURN | |||
| 99129 | Druzhba ATURK | |||
| 99088 | PHI-DEMO | |||
| 99124 | Zorkiy-2M | 400-402/GMSK USP | ||
| 99123 | SITRO-AIS-5 | 400-402 | 57204 | |
| 99122 | SITRO-AIS-6 | 400-402 | 57208 | |
| 99121 | SITRO-AIS-7 | 400-402 | 57199 | |
| 99120 | SITRO-AIS-8 | 400-402 | 57200 | |
| 99119 | SITRO-AIS-9 | 400-402 | 57193 | |
| 99118 | SITRO-AIS-10 | 400-402 | 57194 | |
| 99117 | SITRO-AIS-11 | 400-402 | 57192 | |
| 99116 | SITRO-AIS-12 | 400-402 | 57176 |
I have recorded several passes of Jan’s mystery signal on 435.446 and managed to isolate a couple of very clean packets. Unfortunately, I’ve not been able to decode from I/Q or audio (both FM & USB) with any tool or decoder that I have on Windows or Linux platforms. Will be very interested to find out what type of signal this is if anyone ever finds out.
SITRO-AIS all detected in 400-402 range and updated mentioned db entries
2 Likes
@geoscan StratoSat has been performing very large dumps recently (i.e SatNOGS Network - Observation 7835532 and SatNOGS Network - Observation 7821496). The website mentiones “high resolution images and video[s].”
I have been trying to decode these, but so far I have been unsuccessful.
Do you know the status of the satellite? Have the pico sats been deployed? And, most importantly, is there imagery being sent down?
Very interesting - great catch!
I downloaded the .OGG audio file from SatNOGS Network - Observation 7821496
… and decoded over 1000 packets (GEOSCAN framing). Didn’t see any JPG image file markers but that doesn’t mean it’s not some other image file format.
What did catch my eye was that the streaming packets were not AX.25 like the regular beacon packets. See here where the beacons stopped & the streaming started:
Oh, and ref. the pico sat deployment from StratoSat-TK1, nothing seen so far watching for them on 436.260 250k LoRa.
There have been some decodes posted (tinygs-webapp) from an individual station, but I have to think that’s a false hit or perhaps in-house testing. Seems unlikely with thousands of monitoring stations that only one would receive a flurry of decodes.