Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1CRS callsign genealogy
Currently held by SPAULDING, ROGER H
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 K1CRS's current licensee, walking backwards.
- Stadelbauer, Craig RFLgranted 2025-04-16cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held K1CRS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1CRS, oldest first.
- SPAULDING, ROGER H VT2018-05-22 → cancelled 2023-10-16
- Stadelbauer, Craig R FL2025-12-09 active