Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD1UP callsign genealogy
Currently held by ALLEN, STEVEN R
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 KD1UP's current licensee, walking backwards.
- N1NPIno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KD1UP.
- ALLEN, STEVEN RTNgranted 2013-06-12cancelled 2018-12-27