PA0DLO
@hamsatnl.bsky.social
Mostly space and radio related subjects
Doppler measurements show that BOTAN is object 65942 (1998-067XP).
Frequency: 437.379 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 437.379 MHz.
@tskelso.bsky.social @planet4589.bsky.social
October 16, 2025 at 10:09 AM
Doppler measurements show that BOTAN is object 65942 (1998-067XP).
Frequency: 437.379 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 437.379 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Measurements by PI9RD show that GHS 01 is object 65733 (1998-067XM).
Frequency: 437.090 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 437.090 MHz.
@tskelso.bsky.social @planet4589.bsky.social
October 12, 2025 at 2:32 PM
Measurements by PI9RD show that GHS 01 is object 65733 (1998-067XM).
Frequency: 437.090 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 437.090 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Some people are spreading a rumour saying that the Chinese Amateur Satellite 11 (CAS 11) would be on the Gravity 1 launch on 11 October. Obviously that is not correct.
www.china-in-space.com/p/gravity-1-...
#amsat
www.china-in-space.com/p/gravity-1-...
#amsat
October 12, 2025 at 6:43 AM
Some people are spreading a rumour saying that the Chinese Amateur Satellite 11 (CAS 11) would be on the Gravity 1 launch on 11 October. Obviously that is not correct.
www.china-in-space.com/p/gravity-1-...
#amsat
www.china-in-space.com/p/gravity-1-...
#amsat
BOTAN was deployed from the ISS on 2025-10-10 at 09:50 UTC, together with e-kagaku 1.
Botan beacons strong CW signals a couple of kHz above 437.375 kHz.
Botan beacons strong CW signals a couple of kHz above 437.375 kHz.
October 10, 2025 at 12:01 PM
BOTAN was deployed from the ISS on 2025-10-10 at 09:50 UTC, together with e-kagaku 1.
Botan beacons strong CW signals a couple of kHz above 437.375 kHz.
Botan beacons strong CW signals a couple of kHz above 437.375 kHz.
Measurements by PI9RD show that Dragonfly is object 65729 (1998-067XH).
Frequency: near 437.375 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: near 437.375 MHz.
@tskelso.bsky.social @planet4589.bsky.social
October 9, 2025 at 7:57 PM
Measurements by PI9RD show that Dragonfly is object 65729 (1998-067XH).
Frequency: near 437.375 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: near 437.375 MHz.
@tskelso.bsky.social @planet4589.bsky.social
October 6, 2025 at 12:48 PM
Doppler measurements show that RSP 03 is object 65732 (1998-067XL).
Frequency: 437.050 MHz.
(Probably STARS-Me 2 is object 65731 (1998-067XK).
Frequency: 437.350 MHz. TBC.)
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 437.050 MHz.
(Probably STARS-Me 2 is object 65731 (1998-067XK).
Frequency: 437.350 MHz. TBC.)
@tskelso.bsky.social @planet4589.bsky.social
September 26, 2025 at 8:38 PM
Doppler measurements show that RSP 03 is object 65732 (1998-067XL).
Frequency: 437.050 MHz.
(Probably STARS-Me 2 is object 65731 (1998-067XK).
Frequency: 437.350 MHz. TBC.)
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 437.050 MHz.
(Probably STARS-Me 2 is object 65731 (1998-067XK).
Frequency: 437.350 MHz. TBC.)
@tskelso.bsky.social @planet4589.bsky.social
Mexico's picosats ThumbSat 1 and 2 were part of the 2025-180 launch. They were never cataloged by 18SDS. I monitored their downlink frequencies in the first couple of weeks after their launch, but never received any signals from them.
(See next post)
@tskelso.bsky.social @planet4589.bsky.social
(See next post)
@tskelso.bsky.social @planet4589.bsky.social
September 15, 2025 at 7:53 PM
Mexico's picosats ThumbSat 1 and 2 were part of the 2025-180 launch. They were never cataloged by 18SDS. I monitored their downlink frequencies in the first couple of weeks after their launch, but never received any signals from them.
(See next post)
@tskelso.bsky.social @planet4589.bsky.social
(See next post)
@tskelso.bsky.social @planet4589.bsky.social
The other satellites in the 2025-155 launch, obj 64882 - 64889, transmit wide LoRa signals.
@tskelso.bsky.social @planet4589.bsky.social
@tskelso.bsky.social @planet4589.bsky.social
August 16, 2025 at 1:35 PM
The other satellites in the 2025-155 launch, obj 64882 - 64889, transmit wide LoRa signals.
@tskelso.bsky.social @planet4589.bsky.social
@tskelso.bsky.social @planet4589.bsky.social
Doppler measurements show that Geoscan 4 (RS92S4) is object 64892 (2025-155S).
Frequency: 435.339 MHz.
Doppler measurements show that Geoscan 5 (RS92S5) is object 64891 (2025-155R).
Frequency: 436.663 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 435.339 MHz.
Doppler measurements show that Geoscan 5 (RS92S5) is object 64891 (2025-155R).
Frequency: 436.663 MHz.
@tskelso.bsky.social @planet4589.bsky.social
August 16, 2025 at 1:30 PM
Doppler measurements show that Geoscan 4 (RS92S4) is object 64892 (2025-155S).
Frequency: 435.339 MHz.
Doppler measurements show that Geoscan 5 (RS92S5) is object 64891 (2025-155R).
Frequency: 436.663 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 435.339 MHz.
Doppler measurements show that Geoscan 5 (RS92S5) is object 64891 (2025-155R).
Frequency: 436.663 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Doppler measurements show that InnoSat 16 (RS92S7) is object 64878 (2025-155C).
Frequency: 435.827MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 435.827MHz.
@tskelso.bsky.social @planet4589.bsky.social
August 2, 2025 at 6:56 PM
Doppler measurements show that InnoSat 16 (RS92S7) is object 64878 (2025-155C).
Frequency: 435.827MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 435.827MHz.
@tskelso.bsky.social @planet4589.bsky.social
Doppler measurements show that Geoscan 6 (RS92S6) is object 64879 (2025-155D).
Frequency: 436.939 MHz.
Doppler measurements show that InnoSat 3 (RS92S0) is object 64894 (2025-155U).
Frequency: 436.437MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 436.939 MHz.
Doppler measurements show that InnoSat 3 (RS92S0) is object 64894 (2025-155U).
Frequency: 436.437MHz.
@tskelso.bsky.social @planet4589.bsky.social
August 2, 2025 at 6:53 PM
Doppler measurements show that Geoscan 6 (RS92S6) is object 64879 (2025-155D).
Frequency: 436.939 MHz.
Doppler measurements show that InnoSat 3 (RS92S0) is object 64894 (2025-155U).
Frequency: 436.437MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 436.939 MHz.
Doppler measurements show that InnoSat 3 (RS92S0) is object 64894 (2025-155U).
Frequency: 436.437MHz.
@tskelso.bsky.social @planet4589.bsky.social
Doppler measurements show that Geoscan 2 (RS92S2) is object 64890 (2025-155Q).
Frequency: 436.163 MHz.
Doppler measurements show that Geoscan 3 (RS92S3) is object 64893 (2025-155T).
Frequency: 435.741 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 436.163 MHz.
Doppler measurements show that Geoscan 3 (RS92S3) is object 64893 (2025-155T).
Frequency: 435.741 MHz.
@tskelso.bsky.social @planet4589.bsky.social
August 2, 2025 at 6:45 PM
Doppler measurements show that Geoscan 2 (RS92S2) is object 64890 (2025-155Q).
Frequency: 436.163 MHz.
Doppler measurements show that Geoscan 3 (RS92S3) is object 64893 (2025-155T).
Frequency: 435.741 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 436.163 MHz.
Doppler measurements show that Geoscan 3 (RS92S3) is object 64893 (2025-155T).
Frequency: 435.741 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Doppler measurements show that 239Alfërov (RS61S) is object 64881 (2025-155F).
Frequency: 436.272 MHz.
Doppler measurements show that Geoscan 1 (RS92S1) is object 64880 (2025-155E).
Frequency: 435.971 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 436.272 MHz.
Doppler measurements show that Geoscan 1 (RS92S1) is object 64880 (2025-155E).
Frequency: 435.971 MHz.
@tskelso.bsky.social @planet4589.bsky.social
August 2, 2025 at 6:40 PM
Doppler measurements show that 239Alfërov (RS61S) is object 64881 (2025-155F).
Frequency: 436.272 MHz.
Doppler measurements show that Geoscan 1 (RS92S1) is object 64880 (2025-155E).
Frequency: 435.971 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 436.272 MHz.
Doppler measurements show that Geoscan 1 (RS92S1) is object 64880 (2025-155E).
Frequency: 435.971 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Currently none of the AST BlueBird satellites transmit in the 430 - 440 MHz band anymore.
@amsat-dl.org #AMSAT
@amsat-dl.org #AMSAT
July 27, 2025 at 10:43 AM
Currently none of the AST BlueBird satellites transmit in the 430 - 440 MHz band anymore.
@amsat-dl.org #AMSAT
@amsat-dl.org #AMSAT
Tianzhou 9 (obj 64786) was in a 397 km, 41.5 deg orbit on 2025-07-16. Since 2025-07-17 it is in a 671 km, 98.8 deg orbit...
Some cross-tagging at Space-Track.org?
Some cross-tagging at Space-Track.org?
July 26, 2025 at 10:48 AM
Tianzhou 9 (obj 64786) was in a 397 km, 41.5 deg orbit on 2025-07-16. Since 2025-07-17 it is in a 671 km, 98.8 deg orbit...
Some cross-tagging at Space-Track.org?
Some cross-tagging at Space-Track.org?
Doppler measurements show that two of the Hubble satellites are objects 64584 (2025-135BJ) and 64590 (2025-135BQ).
Frequency: 402.791 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 402.791 MHz.
@tskelso.bsky.social @planet4589.bsky.social
July 25, 2025 at 2:54 PM
Doppler measurements show that two of the Hubble satellites are objects 64584 (2025-135BJ) and 64590 (2025-135BQ).
Frequency: 402.791 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 402.791 MHz.
@tskelso.bsky.social @planet4589.bsky.social
New doppler measurements now show that ConnectaIoT 10 is object 64555 (2025-135AD).
Frequency: 401.520 MHz.
Confusion was caused by BRO 18, object 64550 (2025-135Y), which transmits on this same frequency.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 401.520 MHz.
Confusion was caused by BRO 18, object 64550 (2025-135Y), which transmits on this same frequency.
@tskelso.bsky.social @planet4589.bsky.social
July 25, 2025 at 2:51 PM
New doppler measurements now show that ConnectaIoT 10 is object 64555 (2025-135AD).
Frequency: 401.520 MHz.
Confusion was caused by BRO 18, object 64550 (2025-135Y), which transmits on this same frequency.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 401.520 MHz.
Confusion was caused by BRO 18, object 64550 (2025-135Y), which transmits on this same frequency.
@tskelso.bsky.social @planet4589.bsky.social
Doppler measurements show that ConnectaIoT 9 is object 64534 (2025-135G).
Frequency: 401.510 MHz.
Doppler measurements show that one of the Hubble satellites is object 64561 (2025-135AK).
Frequency: 402.790 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 401.510 MHz.
Doppler measurements show that one of the Hubble satellites is object 64561 (2025-135AK).
Frequency: 402.790 MHz.
@tskelso.bsky.social @planet4589.bsky.social
July 24, 2025 at 3:04 PM
Doppler measurements show that ConnectaIoT 9 is object 64534 (2025-135G).
Frequency: 401.510 MHz.
Doppler measurements show that one of the Hubble satellites is object 64561 (2025-135AK).
Frequency: 402.790 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 401.510 MHz.
Doppler measurements show that one of the Hubble satellites is object 64561 (2025-135AK).
Frequency: 402.790 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Doppler measurements show that ConnectaIoT 11 is object 64557 (2025-135AF).
Frequency: 401.530 MHz.
Doppler measurements show that ConnectaIoT 12 is object 64553 (2025-135AB).
Frequency: 401.540 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 401.530 MHz.
Doppler measurements show that ConnectaIoT 12 is object 64553 (2025-135AB).
Frequency: 401.540 MHz.
@tskelso.bsky.social @planet4589.bsky.social
July 23, 2025 at 7:05 PM
Doppler measurements show that ConnectaIoT 11 is object 64557 (2025-135AF).
Frequency: 401.530 MHz.
Doppler measurements show that ConnectaIoT 12 is object 64553 (2025-135AB).
Frequency: 401.540 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 401.530 MHz.
Doppler measurements show that ConnectaIoT 12 is object 64553 (2025-135AB).
Frequency: 401.540 MHz.
@tskelso.bsky.social @planet4589.bsky.social
On 2025-07-25 the launch of a Soyuz-2-1B/Fregat-M is planned at 05:54 UTC from Vostochniy 1S with Ionosfera-M №3 and Ionosfera-M №4, and 18 microsatellites and nanosatellites.
There will be 9 Geoscan satellites on this launch: Geoscan 1 through 6, 239Alferov, INNOSAT3 and INNOSAT16.
There will be 9 Geoscan satellites on this launch: Geoscan 1 through 6, 239Alferov, INNOSAT3 and INNOSAT16.
July 22, 2025 at 9:12 PM
On 2025-07-25 the launch of a Soyuz-2-1B/Fregat-M is planned at 05:54 UTC from Vostochniy 1S with Ionosfera-M №3 and Ionosfera-M №4, and 18 microsatellites and nanosatellites.
There will be 9 Geoscan satellites on this launch: Geoscan 1 through 6, 239Alferov, INNOSAT3 and INNOSAT16.
There will be 9 Geoscan satellites on this launch: Geoscan 1 through 6, 239Alferov, INNOSAT3 and INNOSAT16.
Doppler measurements confirm that SATORO-T3 is object 64589 (2025-135BP).
Frequency: 401.970 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 401.970 MHz.
@tskelso.bsky.social @planet4589.bsky.social
July 20, 2025 at 5:12 PM
Doppler measurements confirm that SATORO-T3 is object 64589 (2025-135BP).
Frequency: 401.970 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 401.970 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Doppler measurements show that ConnectaIoT 10 is object 64550 (2025-135Y).
Frequency: 401.520 MHz.
Doppler measurements show that PADRE is object 64559 (2025-135AH).
Frequency: 401.357 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 401.520 MHz.
Doppler measurements show that PADRE is object 64559 (2025-135AH).
Frequency: 401.357 MHz.
@tskelso.bsky.social @planet4589.bsky.social
July 20, 2025 at 5:09 PM
Doppler measurements show that ConnectaIoT 10 is object 64550 (2025-135Y).
Frequency: 401.520 MHz.
Doppler measurements show that PADRE is object 64559 (2025-135AH).
Frequency: 401.357 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 401.520 MHz.
Doppler measurements show that PADRE is object 64559 (2025-135AH).
Frequency: 401.357 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Progress-M 29 undocked from the ISS at 18:43:35 UTC today,
while the station pitched down 90 degrees and its roll and yaw were also adapted.
while the station pitched down 90 degrees and its roll and yaw were also adapted.
July 1, 2025 at 6:49 PM
Progress-M 29 undocked from the ISS at 18:43:35 UTC today,
while the station pitched down 90 degrees and its roll and yaw were also adapted.
while the station pitched down 90 degrees and its roll and yaw were also adapted.