Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3KBM callsign genealogy
Currently held by Shank Jr, Robert W
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 N3KBM's current licensee, walking backwards.
- Shank Jr, Robert WWIgranted 2025-01-11cancelled 2025-01-31
Successor callsigns
Callsigns held now by people who previously held N3KBM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3KBM, oldest first.
- SHANK JR, ROBERT W PA1991-07-23 → cancelled 2003-07-24
- Shank Jr, Robert W WI2025-01-31 active