Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KD0LER callsign genealogy
Currently held by The Colorado QRP Club Inc
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 KD0LER's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD0LER.
- N0CQCexpiredThe Colorado QRP Club IncCOgranted 2010-05-07cancelled 2022-06-07