Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4VKS callsign genealogy
Currently held by Singh, Vishnu K
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 K4VKS's current licensee, walking backwards.
- Singh, Vishnu KFLgranted 2007-02-21cancelled 2007-03-13
Successor callsigns
Callsigns held now by people who previously held K4VKS.
- Singh, Vishnu KGAgranted 2009-12-22cancelled 2016-09-07