N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 4, 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

AC1KB HAM

✅ Available for a vanity request — free since Oct 7, 2022.

2x2 call: only Amateur Extra licensees can request it. No pending applications list it.

📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

Not currently held · 1 holder on record · available since Oct 7, 2022

Previous holder: Isabel Samantha Martin V de los Rios

Held AC1KB Sep 11, 2020 → Oct 6, 2020 · first licensed Sep 11, 2020 as AC1KB · 2 licenses · FRN 0029882289

AC1QI Active Amateur Extra · vanity Oct 6, 2020 → expires Oct 6, 2030

Licensee
Isabel Samantha Martin V de los Rios

Address
Attn: Isabel Martin Villena de los Rios
PO Box ALE662
3501 Jack Northrop Ave
Hawthorne, CA 90250
33.9197, -118.3362 (street) · Grid DM03tw · CQ 3 · ITU 6 · map ↗

FRN
0029882289

Previous call
AC1KB

Last granted
Oct 6, 2020

Effective
Mar 26, 2024

Last action
Feb 26, 2025
FCC actions (5)
- Mar 26, 2024 — Administrative update LIAUA
- Oct 20, 2020 — Administrative update LIAUA
- Oct 14, 2020 — Administrative update LIAUA
- Oct 6, 2020 — Vanity call sign granted VANGRT
- Oct 6, 2020 — License issued LIISS
AC1KB Canceled Amateur Extra Sep 11, 2020 → Oct 6, 2020 (canceled)

Licensee
Isabel Samantha Martin Villena

Address
3501 Jack Northrop Ave, Suite #AAC194
Hawthorne, CA 90250
33.9137, -118.3509 (ZIP center) · Grid DM03tv · CQ 3 · ITU 6 · map ↗

FRN
0029882289

Last granted
Sep 11, 2020

Effective
Sep 16, 2020

Last action
Oct 6, 2020
FCC actions (4)
- Oct 6, 2020 — License canceled LICAN
- Sep 16, 2020 — Administrative update LIAUA
- Sep 11, 2020 — License issued LIISS
- Sep 11, 2020 — 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 · 12 snapshots · as AC1QI
Isabel Samantha Martin V de los Rios
Attn: Isabel Martin Villena de los Rios
PO Box ALE662
3501 Jack Northrop Ave, Hawthorne, CA 90250
33.9197, -118.3362 (street) · Grid DM03tw · CQ 3 · ITU 6 · map ↗
Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as AC1KB
Isabel Samantha Martin Villena
3501 Jack Northrop Ave, Suite #AAC194, Hawthorne, CA 90250
33.9137, -118.3509 (ZIP center) · Grid DM03tv · CQ 3 · ITU 6 · map ↗
Seen Apr 16, 2022 · 1 snapshot · as AC1QI
Isabel Samantha Martin V de los Rios
PO Box ALE662
3501 Jack Northrop Ave (also XT3MA ZC4MA T70IMV and EC7DDV), Hawthorne, CA 90250
33.9137, -118.3509 (ZIP center) · Grid DM03tv · CQ 3 · ITU 6 · map ↗

Others requesting AC1KB

1 application listed AC1KB as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
May 26, 2026	Jun 13, 2026	KC1YKB · Will B Malec · Milton, MA	4	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for AC1KB in the last 24 hours. They show up here within seconds of AC1KB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.