Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7HC callsign genealogy
Currently held by Harvinau, Vikram Bir Singh
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 AD7HC's current licensee, walking backwards.
- Harvinau, Vikram BirWAgranted 2005-10-20cancelled 2005-10-31
Successor callsigns
Callsigns held now by people who previously held AD7HC.
No current licensee on record previously held this callsign.