N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update tomorrow 6:00 am CDT
Ask: HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WI

David J Robertson

FRN 0015905110 · first licensed Dec 29, 2006 as KC5YOK · 2 licenses on record

📝 FCC applications (5)

ReceivedFile numberServicePurposeStatusCall
Feb 21, 20180008107885 HAMRenewalGranted AG5DR
Apr 28, 20080003417422 HAMModificationGranted KC5YOK
Apr 25, 20080003411849 HAMModificationGranted KC5YOK
Sep 20, 20070003177487 HAMModificationGranted KC5YOK
Dec 28, 20060002862862 HAMRenewalGranted KC5YOK

Complete licensing history

Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Vanity applications

Filed · AwardApplicantRequested (in order)Status
Filed Apr 28, 2008
Granted Feb 22, 2018
0003417422
KC5YOK · David J Robertson · Amateur Extra
PO Box 830537 · Richardson, TX 75083
1.AG5DR ✓ granted
2.N5DJR held
3.W5DJR held
4.KC5DR held
Granted
got AG5DR