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Very interesting; if I'm not mistaken the #AusAirForce changed their emissions posture vis-a-vis their transponder between their 2020 and 2021 #OpARGOS missions. In 2020, either they didn't fly, or they obfuscated their patrols sufficiently to avoid open source scrutiny.

From 2020-09-22 to 2020-10-24 🇦🇺 #RAAF P-8A Poseidon A47-010 #7CF9D4 was deployed on #OpARGOS, but they were never picked up using ADS-B flying any missions over the East China sea, only transits between bases. 🤔

Then for the next #OpARGOS, 2021-02-24 to 2021-03-27 I can track ten sorties from #KadenaAB by 🇦🇺 #RAAF P-8A Poseidon A47-010 #7CF9D4, all over the East China Sea by their ADS-B transponder - a much more neighbourly and less confrontational posture than not using ADS-B.

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Steffan Watkins

@steffanwatkins

Before I explain to the #AusAirForce 🇦🇺 comms ppl, please appreciate that their P-8A Poseidon fleet broadcasts its own location to anyone who will listen, using ADS-B. That signal will geolocate them from orbit. On patrol, their locations are the least secret thing over the SCS.

This tweet, that has all the words in it you'd need to find it, gives you the tail numbers and ICAO Mode-S hexes of the whole #AusAirForce 🇦🇺 P-8A Poseidon fleet. You can follow them pretty much any day with the link that's included in the quoted tweet.

https://twitter.com/steffanwatkins/status/1533056912471867392?s=20

On 2023-02-09 #AusAirForce 🇦🇺 P-8A Poseidon A47-011 arrived at #KadenaAB 🇺🇸 on #Okinawa 🇯🇵as call sign #ASY150.

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