Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD7FAM callsign genealogy
Currently held by Colon, Michael
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 KD7FAM's current licensee, walking backwards.
- Colon, MichaelWAgranted 2014-12-22cancelled 2015-01-09
Successor callsigns
Callsigns held now by people who previously held KD7FAM.
- Colon, MichaelWAgranted 2016-04-01
All historical holders
Every license row we've seen with the callsign KD7FAM, oldest first.
- COLON, MICHAEL WA1999-04-20 → cancelled 2011-04-21
- Colon, Michael WA2015-01-09 → cancelled 2016-04-01