N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 9:45 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

Jack W Koelbl

FRN 0004386389 · first licensed May 22, 2001 as N8JQZ · 2 licenses on record

📝 FCC applications (5)

ReceivedFile numberServicePurposeStatusCall
May 31, 20160007284591 HAMAmendmentGranted N8JQZ
May 7, 20120005195453 HAMAdministrative updateGranted N8JQZ
May 3, 20110004714427 HAMRenewalGranted N8JQZ
Jun 9, 20050002193773 HAMModificationGranted N8JQZ
May 21, 20010000468382 HAMRenewalGranted N8JQZ

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 May 31, 2016
Granted Jun 18, 2016
0007284591
N8JQZ · Jack W Koelbl · Amateur Extra
PO Box 150 · GATEWAY, AR 72733
1.WP5M available
2.KD5K held
3.W5QI held
4.KB5JK ✓ granted
5.NQ5M held
Granted
got KB5JK