Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4TCR callsign genealogy
Currently held by OBLINGER, LEONARD M
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 W4TCR's current licensee, walking backwards.
- Robertson, Thomas CVAgranted 2020-07-07cancelled 2021-09-03
Successor callsigns
Callsigns held now by people who previously held W4TCR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4TCR, oldest first.
- OBLINGER, LEONARD M FL2009-06-30 → cancelled 2021-07-23
- Robertson, Thomas C VA2021-09-03 active