Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9MSB callsign genealogy
Currently held by Drake, Larry M
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 N9MSB's current licensee, walking backwards.
- GERK, WILLIAM HOKgranted 2020-10-27
Successor callsigns
Callsigns held now by people who previously held N9MSB.
All historical holders
Every license row we've seen with the callsign N9MSB, oldest first.
- Drake, Larry M IN2001-12-14 → cancelled 2005-08-30
- GERK, WILLIAM H OK2019-08-06 → cancelled 2020-10-27