Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1SIW callsign genealogy
Currently held by PALMER, DAVID S
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 K1SIW's current licensee, walking backwards.
- PALMER, DAVID SMEgranted 2003-07-29cancelled 2005-03-02
- KA1GGDno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K1SIW.
No current licensee on record previously held this callsign.