Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0LFW callsign genealogy
Currently held by Walkup, David W
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 KC0LFW's current licensee, walking backwards.
- Walkup, David WMOgranted 2001-08-21cancelled 2006-07-11
Successor callsigns
Callsigns held now by people who previously held KC0LFW.
- Walkup, David WMOgranted 2001-08-21cancelled 2006-07-11
All historical holders
Every license row we've seen with the callsign KC0LFW, oldest first.
- Walkup, David W MO2001-08-21 → cancelled 2004-04-19
- Walkup, David W MO2026-05-02 active