Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA6DTK callsign genealogy
Currently held by MANROE, WILLIAM F
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 KA6DTK's current licensee, walking backwards.
- Manroe, Fred LCAgranted 2019-07-19cancelled 2019-08-27
Successor callsigns
Callsigns held now by people who previously held KA6DTK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA6DTK, oldest first.
- MANROE, WILLIAM F CA2005-10-11 → cancelled 2017-11-29
- Manroe, Fred L CA2019-08-27 active