Join Date: Sep 2006
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I bought an external antenna for my old Navman icn510 as I was planning to upgrade to a Navman S90 anyway. Turns out the new sat-nav works fine through the heat-reflecting screen so it was £30 wasted.
Perhaps it's the Sirf Star 3 reciever? I will have to try my wife's satnav, as it has a Sirf Star 3 reciever like your S90. Thanks.
Currently in pjackson's garage:
2004 Scenic 1.6 Dynamique