Check this link for photos
https://sfbay.craigslist.org/pen/ele...133647570.html
Single Sideband Radio Antenna Coupler for Furuno FS-1503 radios
Pulled from a late 80's Sport Fisher
Untested but appears to be in good condition (no signs of rust or corrosion)
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05-31-2020 05:40 PM #1Registered Member
- Join Date
- Sep 2016
- Posts
- 28
Furuno AT-1503 Antenna Coupler for FS-1503 SSB Radio
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05-31-2020 07:59 PM #2
Re: Furuno AT-1503 Antenna Coupler for FS-1503 SSB Radio
That's an antenna tuner. It switches routes of the cable to lengthen or extend for matching wavelengths.
Scott
41C117 "Hattatude"
Port Canaveral Florida.
Marine Electronics and Electrical Products Distributor.
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06-01-2020 01:18 PM #3Registered Member
- Join Date
- Sep 2016
- Posts
- 28
Re: Furuno AT-1503 Antenna Coupler for FS-1503 SSB Radio
Ah, thanks for the correction.