Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL7RB callsign genealogy
Currently held by BROWN, ROBERT F
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 KL7RB's current licensee, walking backwards.
- BROWN, ROBERT FAKgranted 1995-09-07cancelled 2004-04-13
Successor callsigns
Callsigns held now by people who previously held KL7RB.
- DIEHL, STEVEN LPAgranted 2021-09-02
All historical holders
Every license row we've seen with the callsign KL7RB, oldest first.
- DIEHL, STEVEN L PA1991-10-22 → cancelled 2001-09-28
- BROWN, ROBERT F AK2014-01-16 → cancelled 2026-04-14