On July 31, 2007, the FAA will decommission WAAS satellites 122 and 134, leaving satellites 135 and 138 for WAAS differential corrections in North America.
In all Hemisphere GPS receivers with a WAAS application, shipped before April 2007, the WAAS firmware does not recognize satellites 135 and 138 when performing an auto-search. In order to continue receiving WAAS differential corrections after the July 31, 2007 cutoff date, Hemisphere GPS receivers must have updated WAAS firmware loaded onto their systems or have satellites 135 and 138 manually selected through a terminal communication program.
Note: This issue only affects systems with SLX, SX1, and SX2 receivers.
(The products affected are listed below.)
Additionally, if your receiver was shipped after April 2007, or if you are currently running firmware versions 6.8J (for SLX2 or SX1/SLX3 receivers) or version 6.8K (for SX2 receivers), you are not affected by this issue.
If you need any assistance with or have questions on updating your receiver, please contact your dealer or Hemisphere GPS Technical Support.
Please select your product from the list to download to the appropriate installation instructions and firmware.
PRODUCTS AFFECTED
All Hemisphere GPS receivers (including Outback, Satloc, and CSI Wireless)
DGPSMax
MiniMax
PowerMax
Seres
Crescent R100 Series
Crescent A100 Series
Axis 3
Outback S
Outback S2
SLXg
SLX300
SLXg3
SX1 OEM
SX2 OEM
AgIQ
M3
LiteStar
LiteStar II (Air, Logging system)
Satloc Lite
ForestStar
AirStar
VS100 Series
V100 Series
Vector Sensor
Vector PRO
Vector OEM
Crescent Vector OEM
Note to eDif users with SX1 or SX2 receivers: After installing the WAAS update, please select the link below for additional system update information.
WAAS Satellite System Reconfiguration for e-Dif Users
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