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Old 15-06-2019, 10:50   #16

Join Date: Feb 2012
Location: Half Moon Bay, CA, USA
Boat: 1963 Pearson Ariel, Hull 75
Posts: 1,111
Re: SSB installation, installers and interference

Originally Posted by stormalong View Post
I think you mean GROL - General Radiotelephons Operator license? This is the license required to work on marine SSB installations and other non ham transmitting equipment.

73, N7BMW
Technically, no. A GMDSS Maintainer license requires passing all the tests for a GROL license, plus additional elements pertaining to marine RF systems. The GMDSS Operator license is required on SOLAS ships and covers operations of GMDSS radio communications.

My original commercial license was issued as a "First Class" license in 1973. I worked for a decade as a broadcast engineer under that license. The FCC changed the name of that license, and today, the FCC calls the commercial license by the charmless name of: "PG - General Radiotelephone Operator License" (GROL). I hold that license, but also a separate: "DB - GMDSS Radio Operator/Maintainer License" (which is a combined operator and maintainer license requiring two exams) that requires passing a extra set of written exams over and above those required for the GROL commercial license.

The GMDSS license ( is a separate license "above" the requirements for the GROL commercial license (
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Old 26-06-2019, 12:40   #17
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Join Date: Sep 2013
Location: Montreal
Boat: Dufour 39 Frers
Posts: 362
Re: SSB installation, installers and interference

LEDs does not need much current to light on.
And they made great little small antennas. So, yes, most will turned on when xmiting.

I experimented the same issues.
Emouchet is offline   Reply With Quote

enc, installation, interference, ssb

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