Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RAS callsign genealogy
Currently held by SPANN, ROBERT 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 K4RAS's current licensee, walking backwards.
- SPANN, ROBERT ATNgranted 1994-05-24cancelled 2000-05-04
Successor callsigns
Callsigns held now by people who previously held K4RAS.
No current licensee on record previously held this callsign.