Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7TDH callsign genealogy
Currently held by Huffman, Troy
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 KA7TDH's current licensee, walking backwards.
- Huffman, TroyWAgranted 2019-11-21cancelled 2020-05-12
Successor callsigns
Callsigns held now by people who previously held KA7TDH.
- BAUR, MARVIN CAKgranted 2015-03-12
All historical holders
Every license row we've seen with the callsign KA7TDH, oldest first.
- BAUR, MARVIN C AK2005-03-01 → cancelled 2006-05-11
- Huffman, Troy WA2020-05-12 active