Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7JER callsign genealogy
Currently held by HOLMAN, DAVID M
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 KB7JER's current licensee, walking backwards.
- Spring, Jeremy DORgranted 2017-03-01cancelled 2017-03-24
Successor callsigns
Callsigns held now by people who previously held KB7JER.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB7JER, oldest first.
- HOLMAN, DAVID M WA1990-11-20 → cancelled 2002-11-21
- Spring, Jeremy D MO2017-03-24 active