Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7EMD callsign genealogy
Currently held by Arnold, Keith P
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 KF7EMD's current licensee, walking backwards.
- Fremd, Karl GWAgranted 2016-10-20cancelled 2016-11-08
Successor callsigns
Callsigns held now by people who previously held KF7EMD.
- Arnold, Keith PAZgranted 2011-06-03cancelled 2023-06-06
All historical holders
Every license row we've seen with the callsign KF7EMD, oldest first.
- Arnold, Keith P AZ2009-09-09 → cancelled 2011-06-03
- Fremd, Karl G WA2016-11-08 active