Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9XPD callsign genealogy
Currently held by Swanstrom 827, SIG
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 K9XPD's current licensee, walking backwards.
- Swanstrom 827, SIGTXgranted 2012-06-25cancelled 2018-03-30
Successor callsigns
Callsigns held now by people who previously held K9XPD.
No current licensee on record previously held this callsign.