Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1PMS callsign genealogy
Currently held by Sheffer, Patti M
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 K1PMS's current licensee, walking backwards.
- Sheffer, Patti MAZgranted 2017-09-05cancelled 2017-09-23
Successor callsigns
Callsigns held now by people who previously held K1PMS.
- Sheffer, Patti MAZgranted 2018-06-16