Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KA4ORB callsign genealogy
Currently held by Stieglitz, Frank 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 KA4ORB's current licensee, walking backwards.
- Stieglitz, Frank FILgranted 2017-06-07cancelled 2017-06-30
Successor callsigns
Callsigns held now by people who previously held KA4ORB.
No current licensee on record previously held this callsign.