Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3OPK callsign genealogy
Currently held by Jacobs, Merlin E
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 KB3OPK's current licensee, walking backwards.
- Jacobs, Merlin EMDgranted 2007-02-20cancelled 2007-02-22
Successor callsigns
Callsigns held now by people who previously held KB3OPK.
- Jacobs, Merlin EMDgranted 2017-07-22