Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9ABK callsign genealogy
Currently held by GROTTS, JAMES P
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 W9ABK's current licensee, walking backwards.
- GROTTS, JAMES PILgranted 2013-12-05cancelled 2015-06-23
Successor callsigns
Callsigns held now by people who previously held W9ABK.
No current licensee on record previously held this callsign.