Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB7JOE callsign genealogy
Currently held by CRAPO, JOSEPH G
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 KB7JOE's current licensee, walking backwards.
- CRAPO, JOSEPH GUTgranted 2009-03-05cancelled 2009-03-31
Successor callsigns
Callsigns held now by people who previously held KB7JOE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB7JOE, oldest first.
- SMITH, MATTHEW A UT1990-01-16 → cancelled 2002-03-07
- CRAPO, JOSEPH G UT2019-02-01 active