Presentations from the Sep 2011 CGSIC meeting are available at:
http://www.navcen.uscg.gov/?pageName=CGSIC51stAgenda
The GLONASS update (Paper 3) shows some rather odd PDOP maps -- odd in
that some of the weaker coverage is in Northern Russia (slides 6 & 8):
http://www.navcen.uscg.gov/pdf/cgsic...IC_Oleynik.pdf
The WAAS status briefing (Paper 34) has coverage maps, lists numbers
of WAAS-enabled aviation receivers shipped, shows future WAAS GEO
schedules:
http://www.navcen.uscg.gov/pdf/cgsic...19_2011_v2.pdf
Paper 36b describes upgrades to the gps.gov website, and points out
the multiple language options (English, Spanish, French, Chinese,
Arabic):
http://www.navcen.uscg.gov/pdf/cgsic...ng_GPS_gov.pdf
Paper 9 on Japan has several slides on indoor positioning with IMES:
http://www.navcen.uscg.gov/pdf/cgsic..._CGSIC11_9.pdf
A Google search for IMES turns up an international conference on
Indoor Positioning and Indoor Navigation two weeks ago in Portugal:
http://ipin2011.dsi.uminho.pt/detailedProgram.php
Most of the papers are non-GPS, but there are some GPS and hybrid
system papers (Session 10, Session 13, and others).