N9TPB FCC License Search

🕒 FCC license data updated today 8:30 am CDT (FCC files through Oct 1, 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

KM6QOS HAM

✅ Available for a vanity request — free since Oct 10, 2022.

2x3 call: any licensee can request it. No pending applications list it.

📬 QSL: LoTW user · last upload Oct 20, 2018 · not eQSL AG · QRZ · HamQTH

Not currently held · 1 holder on record · available since Oct 10, 2022

Previous holder: AARON J STEIN

Held KM6QOS Feb 22, 2018 → Oct 9, 2020 · first licensed Feb 22, 2018 as KM6QOS · 2 licenses · FRN 0027240621

📦 Moved: San Jose, CA → Casa Grande, AZ

WC6B Active Amateur Extra · vanity Oct 9, 2020 → expires Oct 9, 2030

Licensee
AARON J STEIN

Address
PO Box 10364
Casa Grande, AZ 85130

FRN
0027240621

Previous call
KM6QOS (General)

Last granted
Oct 9, 2020

Effective
Jan 14, 2026

Last action
Jan 14, 2026
FCC actions (8)
- Jan 14, 2026 — Administrative update LIAUA
- Apr 13, 2022 — Administrative update LIAUA
- Apr 12, 2022 — Administrative update LIAUA
- Aug 28, 2021 — Administrative update LIAUA
- Mar 10, 2021 — Administrative update LIAUA
- Feb 23, 2021 — Administrative update LIAUA
- Oct 9, 2020 — Vanity call sign granted VANGRT
- Oct 9, 2020 — License issued LIISS
KM6QOS Canceled Amateur Extra Feb 22, 2018 → Oct 9, 2020 (canceled)

Licensee
AARON STEIN

Address
1863 GUNSTON WAY
SAN JOSE, CA 95124-3636
37.2568, -121.9228 (ZIP center) · Grid CM97ag · CQ 3 · ITU 6 · map ↗

FRN
0027240621

Last granted
Feb 22, 2018

Effective
Sep 4, 2020

Last action
Oct 9, 2020
FCC actions (4)
- Oct 9, 2020 — License canceled LICAN
- Sep 4, 2020 — License modified LIMOD
- Feb 22, 2018 — License issued LIISS
- Feb 22, 2018 — 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 Sep 27, 2026 · 1 snapshot · as WC6B
AARON J STEIN
PO Box 10364
Casa Grande, AZ 85130
Seen May 7, 2018 → Sep 27, 2026 · 16 snapshots · as KM6QOS
AARON STEIN
1863 GUNSTON WAY, SAN JOSE, CA 95124-3636
37.2568, -121.9228 (ZIP center) · Grid CM97ag · CQ 3 · ITU 6 · map ↗
Seen Apr 27, 2024 → Sep 25, 2025 · 10 snapshots · as WC6B
AARON J STEIN
PO Box 30 PMB A1259
852 W Cowell St, Quartzsite, AZ 85346-0030
33.6099, -114.1583 (ZIP center) · Grid DM23wo · CQ 3 · ITU 6 · map ↗
Seen Apr 16, 2022 · 1 snapshot · as WC6B
AARON J STEIN
918 OAK GLEN, IRVINE, CA 92618
33.6673, -117.7336 (ZIP center) · Grid DM13dq · CQ 3 · ITU 6 · map ↗

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KM6QOS in the last 24 hours. They show up here within seconds of KM6QOS beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.