N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 5, 2026) · next update today 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

Michael M Williams

FRN 0024881443 · first licensed Oct 2, 2015 as KM4NST · 2 licenses on record

📝 FCC applications (8)

Received	File number	Service	Purpose	Status	Call
Feb 10, 2025	0011443863	HAM	Modification	Granted	N6WAI
Jan 21, 2025	0011411077	HAM	Modification	Granted	KM4NST
Dec 16, 2024	0011366331	HAM	Administrative update	Granted	KM4NST
Feb 27, 2023	0010432901	HAM	Administrative update	Granted	KM4NST
Feb 19, 2019	0008530974	HAM	Administrative update	Granted	KM4NST
Sep 18, 2017	0007929143	HAM	Administrative update	Granted	KM4NST
Oct 23, 2015	0006999253	HAM	Modification	Granted	KM4NST
Oct 2, 2015	0006968523	HAM	New license	Granted	KM4NST

Complete licensing history

N6WAI Active Amateur Extra · vanity Feb 8, 2025 → expires Feb 8, 2035

Licensee
Michael M Williams

Address
PO Box 60614
Sunnyvale, CA 94088-0614

FRN
0024881443

Previous call
KM4NST (General)

Last granted
Feb 8, 2025

Effective
Feb 10, 2025

Last action
Feb 10, 2025
FCC actions (3)
- Feb 10, 2025 — License modified LIMOD
- Feb 8, 2025 — Vanity call sign granted VANGRT
- Feb 8, 2025 — License issued LIISS
KM4NST Canceled General Oct 2, 2015 → Feb 8, 2025 (canceled)

Licensee
Michael M Williams

Address
PO Box 60614
Sunnyvale, CA 94088

FRN
0024881443

Last granted
Oct 2, 2015

Effective
Dec 17, 2024

Last action
Feb 8, 2025
FCC actions (8)
- Feb 8, 2025 — License canceled LICAN
- Dec 17, 2024 — Administrative update LIAUA
- Feb 28, 2023 — Administrative update LIAUA
- Feb 20, 2019 — Administrative update LIAUA
- Sep 19, 2017 — Administrative update LIAUA
- Oct 23, 2015 — License modified LIMOD
- Oct 2, 2015 — License issued LIISS
- Oct 2, 2015 — Systematic call sign granted SYSGRT

Address history

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

Seen Mar 6, 2025 → Oct 4, 2026 · 14 snapshots · as KM4NST
Michael M Williams
PO Box 60614
Sunnyvale, CA 94088
Seen Apr 27, 2024 → Dec 20, 2024 · 5 snapshots · as KM4NST
Michael M Williams
1160 Morse Ave #7201, Sunnyvale, CA 94089
37.4124, -122.0156 (ZIP center) · Grid CM87xj · CQ 3 · ITU 6 · map ↗
Seen May 6, 2019 → Apr 16, 2022 · 2 snapshots · as KM4NST
Michael M Williams
PO Box 2825
Broken Arrow, OK 74013
Seen Nov 11, 2017 → Jan 22, 2019 · 5 snapshots · as KM4NST
Michael M Williams
PO Box 721
Pryor, OK 74362
Seen Nov 16, 2015 → Sep 5, 2017 · 12 snapshots · as KM4NST
Michael M Williams
PO Box 12064
Jacksonville, FL 32209
30.3610, -81.6963 (ZIP center) · Grid EM90di · CQ 5 · ITU 8 · map ↗

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Jan 21, 2025 Granted Feb 8, 2025 0011411077	KM4NST · Michael M Williams · General PO Box 60614 · Sunnyvale, CA 94088	1.N6WAI ✓ granted	Granted got N6WAI