Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KL7HAO callsign genealogy
Currently held by STRANDTMANN, RUSSELL L
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 KL7HAO's current licensee, walking backwards.
- STRANDTMANN, RUSSELL LAKgranted 2011-11-01cancelled 2013-12-03
Successor callsigns
Callsigns held now by people who previously held KL7HAO.
No current licensee on record previously held this callsign.