Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB2KPH callsign genealogy
Currently held by KOCH, MICHAEL 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 WB2KPH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WB2KPH.
- KOCH, MICHAEL FMDgranted 2007-07-20cancelled 2017-04-11
All historical holders
Every license row we've seen with the callsign WB2KPH, oldest first.
- KOCH, MICHAEL F MD2006-12-05 → cancelled 2007-07-20
- KOCH, MICHAEL F PA2017-04-11 active