Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4IDB callsign genealogy
Currently held by KRAMER, VIRGIL F
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 K4IDB's current licensee, walking backwards.
- BEISER, DAVID VTNgranted 2021-12-28cancelled 2022-01-19
Successor callsigns
Callsigns held now by people who previously held K4IDB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4IDB, oldest first.
- KRAMER, VIRGIL F OH1989-01-17 → cancelled 1998-08-13
- BEISER, DAVID V TN2022-01-19 active