Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3MRG callsign genealogy
Currently held by MUDDY HOLE REPEATER GROUP
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by N3MRG's current licensee, walking backwards.
- MUDDY HOLE REPEATER GROUPMDgranted 2021-12-01cancelled 2022-02-25
Successor callsigns
Callsigns held now by people who previously held N3MRG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3MRG, oldest first.
- GARDNER, ROBERT G PA2002-09-17 → cancelled 2014-09-18
- MUDDY HOLE REPEATER GROUP MD2022-02-25 active