Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2TFO callsign genealogy
Currently held by Langdon, Thomas D
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 K2TFO's current licensee, walking backwards.
- Langdon, Thomas DNYgranted 2014-04-21cancelled 2014-07-29
Successor callsigns
Callsigns held now by people who previously held K2TFO.
No current licensee on record previously held this callsign.