Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KL7SDR callsign genealogy
Currently held by ALASKA SOFTWARE DEFINED RADIO
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 KL7SDR's current licensee, walking backwards.
- WL7CXGcancelledALASKA SOFTWARE DEFINED RADIOAKgranted 2014-01-08cancelled 2014-01-28
Successor callsigns
Callsigns held now by people who previously held KL7SDR.
No current licensee on record previously held this callsign.