[gpsd-dev] [PATCH 2/3] Update SA removal

[Sanjeev Gupta]

---
 www/gps-hacking.html | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/www/gps-hacking.html b/www/gps-hacking.html
index c86a290..9a66e3a 100644
--- a/www/gps-hacking.html
+++ b/www/gps-hacking.html
@@ -144,8 +144,11 @@ satellites were programmed to introduce patterned timing 
jitter into
 the signals.  The U.S. military knew the pattern, but nobody else did
 (or, at least, nobody who was admitting it).</p>
 
-<p>Now that 'Selective Availability' is gone, the important limits are
-natural.  One is a variable amount of signal lag produced as the GPS
+<p>In Sep 2007 the U.S. government announced that the future generation
+of GPS satellites, known as GPS III, will be without the SA feature.
+Doing this will make the policy decision of 2000 permanent.
+The important limits are on accuracy are now due to physics.
+One is a variable amount of signal lag produced as the GPS
 signals pass through the ionosphere and troposphere, which partly
 refracts radio waves.  This can be largely compensated for by a
 technique called "Differential GPS" or DGPS.  Ground-based reference
-- 
2.1.4