Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1BLM callsign genealogy
Currently held by McGarr, Bradly L
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 N1BLM's current licensee, walking backwards.
- McGarr, Bradly LMNgranted 2014-10-08cancelled 2016-07-09
Successor callsigns
Callsigns held now by people who previously held N1BLM.
- RAPPEL, RONALD PMAgranted 2020-09-21
All historical holders
Every license row we've seen with the callsign N1BLM, oldest first.
- RAPPEL, RONALD P MA2004-08-11 → cancelled 2010-12-03
- McGarr, Bradly L MN2016-07-09 active