+uphillbill Posted August 19, 2012 Share Posted August 19, 2012 I have an older Garmin GPSmap 76s. When geocaching under in forested conditions I have the usual accuracy/signal degradation. Was considering getting an external antenna for $20 at Amazon to plug into my unit. The Garmin antenna has a magnetic mount. Was considering getting a baseball cap and sewing a metal plate at the peak, then sticking the antenna on it while geocaching in the woods (I know, it sounds silly looking ...). Gilsson makes an antenna like this also, also with a magnetic mount. Has anyone used an external antenna and have any advice, observations, etc. Any thoughts on which external antenna would work better? Thanks! Quote Link to comment
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