Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6PNK callsign genealogy
Currently held by KLAMM JR, CLARENCE F
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 W6PNK's current licensee, walking backwards.
- Goodwin, Johanna EAZgranted 2023-10-17cancelled 2023-12-08
Successor callsigns
Callsigns held now by people who previously held W6PNK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6PNK, oldest first.
- KLAMM JR, CLARENCE F CA1995-12-05 → cancelled 2007-12-06
- Ackley, Brianna L CA2011-11-18 → cancelled 2023-11-21
- Goodwin, Johanna E AZ2023-12-08 active