|
04-23-2014, 12:55 PM
|
#1
|
Guru
City: Seattle
Join Date: Jun 2012
Posts: 3,312
|
Canvas canopy interference with GPS
How much signal degradation do you find that the canvas awning/canopy creates on a GPS (fish finder with built in GPS)?
|
|
|
04-23-2014, 01:02 PM
|
#2
|
Enigma
City: Slicker?
Join Date: Oct 2007
Posts: 16,566
|
Greetings,
Mr. m. In my case none. The same technology works fine in cars and metal/glass are much more of a "barrier" to signal than canvas. Even with supporting SS bows.
__________________
RTF
|
|
|
04-23-2014, 01:06 PM
|
#3
|
Guru
City: Ft Pierce
Vessel Name: Sold
Vessel Model: Was an Albin/PSN 40
Join Date: Oct 2011
Posts: 28,149
|
none...even fiberglass/wood pilothouses don't cause much or any....even with a flybridge on top.
|
|
|
04-23-2014, 01:43 PM
|
#4
|
TF Site Team
City: California Delta
Vessel Name: FlyWright
Vessel Model: 1977 Marshall Californian 34 LRC
Join Date: Apr 2008
Posts: 13,728
|
None. My small Garmin in the salon with just a small antenna on the unit also has no problems.
|
|
|
04-23-2014, 05:38 PM
|
#5
|
Guru
City: North Charleston, SC
Join Date: Sep 2010
Posts: 4,870
|
Quote:
Originally Posted by makobuilders
How much signal degradation do you find that the canvas awning/canopy creates on a GPS (fish finder with built in GPS)?
|
None. My GPS antenna is mounted under the flybridge dash. That's over an inch of fiberglass. I tested it before I mounted it there. No loss whatsoever.
That's also where I mounted my TV antenna.
|
|
|
04-23-2014, 06:14 PM
|
#6
|
Moderator Emeritus
City: Home Port: Buck's Harbor, Maine
Vessel Name: "Emily Anne"
Vessel Model: 2001 Island Gypsy 32 Europa (Hull #146)
Join Date: Sep 2008
Posts: 2,846
|
My GPS antenna interfered with my canvas, but I fixed that.
__________________
David Hawkins
Deer Isle, Maine
|
|
|
04-23-2014, 07:27 PM
|
#7
|
Guru
City: North Vancouver
Vessel Name: Phoenix Hunter
Vessel Model: Kadey Krogen 42 (1985)
Join Date: Apr 2011
Posts: 2,877
|
My iPad GPS work fine throughout the boat although it does indicate compass interference. Vessel GPS is not obstructed by anything.
Jim
|
|
|
04-23-2014, 07:45 PM
|
#8
|
Guru
City: Ft Pierce
Vessel Name: Sold
Vessel Model: Was an Albin/PSN 40
Join Date: Oct 2011
Posts: 28,149
|
Quote:
Originally Posted by JDCAVE
My iPad GPS work fine throughout the boat although it does indicate compass interference. Vessel GPS is not obstructed by anything.
Jim
|
I wouldn't go that far...metal boats, wire bundles, RF interference and other things can affect a GPS...but a bimini...probably not...or glass or fiberglass that isn't super thick or heavily cored.
Unless you are saying YOUR GPS isn't obstructed....then sorry for the correction.
|
|
|
04-23-2014, 10:58 PM
|
#9
|
TF Site Team
City: Ex-Brisbane, (Australia), now Bribie Island, Qld
Vessel Name: Now boatless - sold 6/2018
Vessel Model: Had a Clipper (CHB) 34
Join Date: Jun 2008
Posts: 10,101
|
My GPS is mounted on the flybridge dash under a bimini, (see Avatar), and it does not interfere at all. However, some earlier GPS units were less good in picking up signals that are weak, and did not pick up as many channels either, so were not good if shrouded. My first car GPS (circa 2004), was pathetic at this, and only worked right up in clear line of sight under the windscreen. From the way my iPad and iPhone now work anywhere just about, I suspect any more modern unit would be fine - which is why they almost all now appear to have in-built antennae.
__________________
Pete
|
|
|
04-23-2014, 11:12 PM
|
#10
|
Guru
City: Gooding ID/Wrangell AK
Vessel Name: Silver Bay
Vessel Model: Nordic Tug 42-002
Join Date: Sep 2012
Posts: 1,040
|
I run an HDS-7 at my upper helm and HDS-8 at the lower helm in the salon. The major difference is that the HDS-8 will lose WAAS more often than the HDS-7 on the upper helm under the canvas. WAAS is coming off geosynchronous satellites for the most part so distance and elevation angle are factors.
Tom
|
|
|
|
Thread Tools |
Search this Thread |
|
|
Display Modes |
Linear Mode
|
Posting Rules
|
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts
HTML code is Off
|
|
|
|
» Trawler Discussions |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|