I don't know about any unexpected one but they did have one yesterday (Jan 14 ~1900 GMT). See http://www.issfanclub.com/node/8152 or http://www.nasa.gov/mission_pages/station/main/index.html
Best to update your ISS keps daily as it is constantly changing.
Kenneth - N5VHO
________________________________
From: [email protected] on behalf of Sebastian Sent: Thu 1/15/2009 6:14 PM To: AMSAT BB Subject: [amsat-bb] Re: Orbit boost to ISS?
Had same issue here, SATPC32 showed wrong AOS & LOS.
73 de W4AS Sebastian
On Jan 15, 2009, at 6:53 PM, andy thomas wrote:
The V/U repeater is strong but HRD is tracking it late although I have forced an update to celestrak keps. I suggest this means an unexpected orbital boost.
andy g0sfj
_______________________________________________ Sent via [email protected]. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb