Op 10-5-2021 om 10:41 schreef Bob Christy via Seesat-l: > Half way between then and now is December 2012. The median date of the list is Jan 2013. The "SBIRS era" started about the same time. Well, before SBIRS there was DSP of course. Starting in the mid-1990-ies, the US DoD started to share DSP detections of meteoric fireballs with astronomers researching meteoric fireballs. First occasionally, now rather routinely (see https://cneos.jpl.nasa.gov/fireballs/). - Marco ----- Dr Marco Langbroek - SatTrackCam Leiden, the Netherlands. e-mail: sattrackcam_at_langbroek.org launchtower: http://launchtower.langbroek.org Station (b)log: http://sattrackcam.blogspot.com Twitter: _at_Marco_Langbroek ----- _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-lReceived on Mon May 10 2021 - 05:45:31 UTC
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