PA0DLO
@hamsatnl.bsky.social
Mostly space and radio related subjects
Doppler measurements show that SilverSat is object 66909 (1998-067XV).
Frequency: 437.175 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 437.175 MHz.
@tskelso.bsky.social @planet4589.bsky.social
December 7, 2025 at 10:02 AM
Doppler measurements show that SilverSat is object 66909 (1998-067XV).
Frequency: 437.175 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 437.175 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Doppler measurements show that BEE-1000 is object 66650 (2025-274A).
Frequency: 436.500 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 436.500 MHz.
@tskelso.bsky.social @planet4589.bsky.social
December 5, 2025 at 8:26 PM
Doppler measurements show that BEE-1000 is object 66650 (2025-274A).
Frequency: 436.500 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 436.500 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Doppler measurements show that SNUGLITE-III DURI is object 66661 (2025-274M). But it is unclear if SNUGLITE-III DURI and HANA have separated yet.
Frequency: 436.789 MHz.
Telemetry shows that JACK 003 is 66654 and Jack 004 is 66659.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 436.789 MHz.
Telemetry shows that JACK 003 is 66654 and Jack 004 is 66659.
@tskelso.bsky.social @planet4589.bsky.social
December 1, 2025 at 2:50 PM
Doppler measurements show that SNUGLITE-III DURI is object 66661 (2025-274M). But it is unclear if SNUGLITE-III DURI and HANA have separated yet.
Frequency: 436.789 MHz.
Telemetry shows that JACK 003 is 66654 and Jack 004 is 66659.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 436.789 MHz.
Telemetry shows that JACK 003 is 66654 and Jack 004 is 66659.
@tskelso.bsky.social @planet4589.bsky.social
Doppler measurements show that SPIRONE is object 66657 (2025-274H).
Frequency: 436.651 MHz.
Doppler measurements show that K-HERO is object 66660 (2025-274L).
Frequency: 437.180 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 436.651 MHz.
Doppler measurements show that K-HERO is object 66660 (2025-274L).
Frequency: 437.180 MHz.
@tskelso.bsky.social @planet4589.bsky.social
November 30, 2025 at 2:46 PM
Doppler measurements show that SPIRONE is object 66657 (2025-274H).
Frequency: 436.651 MHz.
Doppler measurements show that K-HERO is object 66660 (2025-274L).
Frequency: 437.180 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 436.651 MHz.
Doppler measurements show that K-HERO is object 66660 (2025-274L).
Frequency: 437.180 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Doppler measurements show that JACK 003 or JACK 004 is object 66659 (2025-274K).
Frequency: 436.300 MHz.
Doppler measurements show that JACK 004 or JACK 003 is object 66654 (2025-274E).
Frequency: 436.300 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 436.300 MHz.
Doppler measurements show that JACK 004 or JACK 003 is object 66654 (2025-274E).
Frequency: 436.300 MHz.
@tskelso.bsky.social @planet4589.bsky.social
November 30, 2025 at 2:41 PM
Doppler measurements show that JACK 003 or JACK 004 is object 66659 (2025-274K).
Frequency: 436.300 MHz.
Doppler measurements show that JACK 004 or JACK 003 is object 66654 (2025-274E).
Frequency: 436.300 MHz.
@tskelso.bsky.social @planet4589.bsky.social
Frequency: 436.300 MHz.
Doppler measurements show that JACK 004 or JACK 003 is object 66654 (2025-274E).
Frequency: 436.300 MHz.
@tskelso.bsky.social @planet4589.bsky.social
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