Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7RMZ callsign genealogy
Currently held by Harrington, Kaili 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 KB7RMZ's current licensee, walking backwards.
- Crawford, KailiORgranted 2015-10-01cancelled 2015-11-17
Successor callsigns
Callsigns held now by people who previously held KB7RMZ.
- Crawford, Joseph VORgranted 2025-12-09
All historical holders
Every license row we've seen with the callsign KB7RMZ, oldest first.
- Crawford, Joseph V OR2012-10-23 → cancelled 2015-07-31
- Harrington, Kaili C MD2026-01-28 active