Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4MGK callsign genealogy
Currently held by Guarro, Daniel T
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 K4MGK's current licensee, walking backwards.
- Guarro, Daniel TFLgranted 2004-08-17cancelled 2007-11-20
Successor callsigns
Callsigns held now by people who previously held K4MGK.
- Guarro, Daniel TFLgranted 2004-08-17cancelled 2007-11-20