Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7HAL callsign genealogy
Currently held by BARTON, HALBERT E
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 K7HAL's current licensee, walking backwards.
- KROHN JR, HAROLD EOHgranted 2013-03-07cancelled 2013-03-29
Successor callsigns
Callsigns held now by people who previously held K7HAL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7HAL, oldest first.
- BARTON, HALBERT E WA1998-02-06 → cancelled 2010-02-09
- KROHN JR, HAROLD E OH2023-02-28 active