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External GPS antenna and WAAS?
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Short Wave Sportfishing
Posts: n/a
External GPS antenna and WAAS?
On Mon, 19 Jan 2004 03:21:07 GMT,
(Larry W4CSC) wrote:
On Sun, 18 Jan 2004 19:57:09 GMT, Short Wave Sportfishing
wrote:
It is my understanding that the software in WAAS enabled receivers do
not check constantly - that is my understanding.
Curiously enough, I have a Magellon 315 and 330M and the 315 is a tad
more accurate (will show zero error for instance) than the 330 (I
never get zero error) which is WAAS enabled.
When I first noticed that, I thought that the WAAS receiver would be
more accurate.
Aboard Lionheart, leaving the Raymarine Raystar 120 Seatalk WAAS-GPS
and its RL70CRC Plus radar display/chartplotter on for long periods of
time tied to E-dock, I plot the Raystar 120's position centered around
its position on the hard top varying from about 30' off the stern to
near the bow to about halfway across the boats next door to port and
starboard, easily within the 3 meter accuracy circle that's specified.
The boat's in Charleston, SC, so has good WAAS view at about 45
degrees elevation.
It's not quite good enough for ILS approach, but damned close!
Clicking the waypoints on top of a bouy symbol is NOT a good idea....
I could tell you a story, but it would take to much bandwidth. :)
I tried the same thing by comparing the Furno to the Megellon
handhelds by leaving them all on at a dock one day while I was helping
my brother with his boat.
They were all pretty accurate within their specifications.
Later,
Tom
S. Woodstock, CT
----------
"My rod and my reel - they comfort me."
St. Pete, 12 Lb. Test
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