Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7JKB callsign genealogy
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 K7JKB's current licensee, walking backwards.
- Blalock, Josh KAZgranted 2017-09-12cancelled 2017-09-30
Successor callsigns
Callsigns held now by people who previously held K7JKB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7JKB, oldest first.
- Blalock, Josh K AZ2017-09-30 active
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