Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0SFS callsign genealogy
Currently held by SHEAHAN, SHELLEY 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 K0SFS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K0SFS.
- Sheahan Mrs, Shelley FMOgranted 2012-06-21cancelled 2024-08-17