Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7FRL callsign genealogy
Currently held by Johannes, Dale R
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 K7FRL's current licensee, walking backwards.
- Johannes, Dale RFLgranted 2017-02-15cancelled 2019-09-06
Successor callsigns
Callsigns held now by people who previously held K7FRL.
No current licensee on record previously held this callsign.