Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE7TDP callsign genealogy
Currently held by Polydoros, Louis P
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 KE7TDP's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KE7TDP.
- Polydoros, Louis PAZgranted 2009-02-07cancelled 2015-06-09
All historical holders
Every license row we've seen with the callsign KE7TDP, oldest first.
- Polydoros, Louis P AZ2008-04-14 → cancelled 2009-02-07
- Polydoros, Louis P AZ2015-06-09 active