N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 5, 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

John C Marx

FRN 0014054217 · first licensed Sep 23, 2005 as KC9IFH · 2 licenses on record

📻 GMRS licenses on this FRN

GMRS callStatusNameLocationGrantedExpires
WSJQ473 Active John C MarxMadison, WI Aug 16, 2025Aug 16, 2035

📝 FCC applications (6)

ReceivedFile numberServicePurposeStatusCall
Dec 8, 20250011818099 HAMRenewalGranted K9GRN
Aug 15, 20250011692689 GMRSNew licenseGranted
Oct 30, 20150007007791 HAMRenewalGranted K9GRN
Jun 12, 20090003869880 HAMModificationGranted K9GRN
Sep 27, 20050002329913 HAMModificationGranted KC9IFH
Sep 23, 20050002326596 HAMNew licenseGranted KC9IFH

Complete licensing history

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

Nets

NetWhenFrequencyRoleTimesLast
STEM NETThu 6:00 PM · Thu 6:15 PM · Thu 6:30 PM ET146.760Checked in22026-09-24
STEM NETThu 6:15 PM ET442.125Checked in12026-09-17
Absolute Tech NetTue 3:45 PM PTVOIPChecked in12026-09-08

From nets logged with NetLogger since the start of collection.

Vanity applications

Filed · AwardApplicantRequested (in order)Status
Filed Sep 27, 2005
Granted Dec 9, 2025
0002329913
KC9IFH · John C Marx · Technician
PO Box 971 · Madison, WI 53701-0971
1.K9GRN ✓ granted
Granted
got K9GRN