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

Oliver Rizzi Carlson

FRN 0029051976 · first licensed Dec 23, 2019 as KN6GMD · 2 licenses on record

📻 GMRS licenses on this FRN

GMRS call	Status	Name	Location	Granted	Expires
WRPV289	Active	Oliver Rizzi Carlson	Sacramento, CA	Mar 22, 2022	Mar 22, 2032

📝 FCC applications (6)

Received	File number	Service	Purpose	Status	Call
Nov 25, 2025	0011795339	HAM	Modification	Granted	W6LDO
Feb 16, 2024	0010925552	GMRS	Administrative update	Granted
Feb 16, 2024	0010925551	HAM	Administrative update	Granted	KN6GMD
Feb 16, 2024	0010925541	HAM	Modification	Granted	KN6GMD
Mar 21, 2022	0009962171	GMRS	New license	Granted
Dec 23, 2019	0008922236	HAM	New license	Granted	KN6GMD

Complete licensing history

W6LDO Active Amateur Extra · vanity Mar 5, 2024 → expires Mar 5, 2034

Licensee
Oliver Rizzi Carlson

Address
PO Box 1198
Sacramento, CA 95812

FRN
0029051976

Previous call
KN6GMD (General)

Last granted
Mar 5, 2024

Effective
Nov 25, 2025

Last action
Nov 25, 2025
FCC actions (3)
- Nov 25, 2025 — License modified LIMOD
- Mar 5, 2024 — Vanity call sign granted VANGRT
- Mar 5, 2024 — License issued LIISS
KN6GMD Canceled General Dec 23, 2019 → Mar 5, 2024 (canceled)

Licensee
Oliver Rizzi Carlson

Address
Attn: #5533
PO Box 1198
Sacramento, CA 95812

FRN
0029051976

Last granted
Dec 23, 2019

Effective
Feb 17, 2024

Last action
Mar 5, 2024
FCC actions (4)
- Mar 5, 2024 — License canceled LICAN
- Feb 17, 2024 — Administrative update LIAUA
- Dec 23, 2019 — License issued LIISS
- Dec 23, 2019 — 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 Apr 27, 2024 → Oct 4, 2026 · 24 snapshots · as KN6GMD
Oliver Rizzi Carlson
Attn: #5533
PO Box 1198
Sacramento, CA 95812
Seen Apr 16, 2022 · 1 snapshot · as KN6GMD
Oliver Rizzi Carlson
PO Box 371171
Montara, CA 94037-1171
37.5533, -122.4958 (ZIP center) · Grid CM87sn · CQ 3 · ITU 6 · map ↗

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Feb 16, 2024 Granted Mar 5, 2024 0010925541	KN6GMD · Oliver Rizzi Carlson · General Attn: #5533 · PO Box 1198 · Sacramento, CA 95812	1.W6LDO ✓ granted	Granted got W6LDO