Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL7SP callsign genealogy
Currently held by HASPER, HEATHER C
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 KL7SP's current licensee, walking backwards.
- WL7CXJcancelledUSA ASSOCIATION OF ALASKA AND ARIZONA AMATEURSAKgranted 2015-01-13cancelled 2015-02-20
Successor callsigns
Callsigns held now by people who previously held KL7SP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KL7SP, oldest first.
- HASPER, HEATHER C AK2003-01-31 → cancelled 2013-01-31
- USA ASSOCIATION OF ALASKA AND ARIZONA AMATEURS AZ2025-02-13 active