Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5DLO callsign genealogy
Currently held by RICHTER, CLARENCE A
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 W5DLO's current licensee, walking backwards.
- Offalter, David LTXgranted 2018-05-22cancelled 2018-08-17
Successor callsigns
Callsigns held now by people who previously held W5DLO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5DLO, oldest first.
- RICHTER, CLARENCE A TX1996-12-17 → cancelled 2008-12-18
- Offalter, David L TX2018-08-17 active