Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF5RDA callsign genealogy
Currently held by LAWHON, JEFFREY 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 KF5RDA's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KF5RDA.
- LAWHON, JEFFREY DTXgranted 2015-02-21cancelled 2016-07-01
All historical holders
Every license row we've seen with the callsign KF5RDA, oldest first.
- LAWHON, JEFFREY D TX2012-07-13 → cancelled 2015-02-21
- LAWHON, JEFFREY D TX2026-05-12 active