Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL7HR callsign genealogy
Currently held by SCHWANKL, DAVID N
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 KL7HR's current licensee, walking backwards.
- SCHWANKL, DAVID Ncancelled 1997-09-17
Successor callsigns
Callsigns held now by people who previously held KL7HR.
- SCHWANKL, DAVID NCOgranted 2019-08-23