Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7PSL callsign genealogy
Currently held by KELLER, HAROLD A
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 W7PSL's current licensee, walking backwards.
- ESSELBACH, KARA DIDgranted 2022-04-14cancelled 2022-05-03
Successor callsigns
Callsigns held now by people who previously held W7PSL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7PSL, oldest first.
- KELLER, HAROLD A WA2006-12-19 → cancelled 2019-03-05
- ESSELBACH, KARA D ID2022-05-03 active