Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD7PSN callsign genealogy
Currently held by Jacobs, Michael W
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 KD7PSN's current licensee, walking backwards.
- Jacobs, Michael WWAgranted 2015-12-23cancelled 2016-03-29
Successor callsigns
Callsigns held now by people who previously held KD7PSN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD7PSN, oldest first.
- Jacobs, Michael W OR2002-01-31 → cancelled 2014-02-01
- Jacobs, Michael W WA2026-01-22 active