N9TPB FCC License Search

🕒 FCC license data updated yesterday 6:02 am CDT (FCC files through Oct 2, 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

W6OWO HAM 📻 GMRS

📻

Also a GMRS licensee

WSAI739

Active until Jan 20, 2034 · same FCC Registration Number (FRN) · GMRS covers the licensee's immediate family

Amateur Extra class licensed since 2016 (10 yrs) W6OWO since 2024 · previously W6MOO, KM6AFE Sunnyvale, CA GMRS WSAI739

🔒 Not available — currently licensed, through Feb 6, 2034. If it isn't renewed, it opens for vanity requests Feb 7, 2036.

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

📝 W6OWO has filed vanity applications before — latest filed Jan 19, 2024 · what was requested

Currently held by Ernest Paul Henry C Ammermann · 1 holder on record

Current holder: Ernest Paul Henry C Ammermann

Held W6OWO Feb 6, 2024 → present · first licensed Feb 3, 2016 as KM6AFE · 3 licenses · FRN 0025256348

W6OWO Active Amateur Extra · vanity Feb 6, 2024 → expires Feb 6, 2034

Licensee
Ernest Paul Henry C Ammermann

Address
PO Box 61593
Sunnyvale, CA 94088

FRN
0025256348

Previous call
W6MOO (Technician)

Last granted
Feb 6, 2024

Effective
Apr 21, 2026

Last action
Apr 21, 2026
FCC actions (6)
- Apr 21, 2026 — Administrative update LIAUA
- Apr 1, 2026 — Administrative update LIAUA
- Apr 1, 2026 — Administrative update LIAUA
- Feb 27, 2024 — License modified LIMOD
- Feb 6, 2024 — Vanity call sign granted VANGRT
- Feb 6, 2024 — License issued LIISS
📦 Moved: Irvine, CA → Sunnyvale, CA

W6MOO Canceled Technician · vanity Dec 23, 2016 → Feb 6, 2024 (canceled)

Licensee
Ernest Paul Henry C Ammermann

Address
PO Box 61593
Sunnyvale, CA 94088

FRN
0025256348

Previous call
KM6AFE

Last granted
Dec 23, 2016

Effective
Jan 20, 2024

Last action
Feb 6, 2024
FCC actions (6)
- Feb 6, 2024 — License canceled LICAN
- Jan 20, 2024 — Administrative update LIAUA
- Jan 30, 2020 — Administrative update LIAUA
- Jan 30, 2020 — Administrative update LIAUA
- Dec 23, 2016 — Vanity call sign granted VANGRT
- Dec 23, 2016 — License issued LIISS
KM6AFE Canceled Technician Feb 3, 2016 → Dec 23, 2016 (canceled)

Licensee
Ernest Paul Henry C Ammermann

Address
158 Alicante Aisle
Irvine, CA 92614
33.6780, -117.8346 (ZIP center) · Grid DM13bq · CQ 3 · ITU 6 · map ↗

FRN
0025256348

Last granted
Feb 3, 2016

Effective
Feb 3, 2016

Last action
Dec 23, 2016
FCC actions (3)
- Dec 23, 2016 — License canceled LICAN
- Feb 3, 2016 — License issued LIISS
- Feb 3, 2016 — 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 → Sep 27, 2026 · 12 snapshots · as W6MOO
Ernest Paul Henry C Ammermann
PO Box 61593
Sunnyvale, CA 94088
Seen Feb 16, 2016 → Sep 27, 2026 · 38 snapshots · as KM6AFE
Ernest Paul Henry C Ammermann
158 Alicante Aisle, Irvine, CA 92614
33.6780, -117.8346 (ZIP center) · Grid DM13bq · CQ 3 · ITU 6 · map ↗
Seen Apr 16, 2022 → Sep 25, 2025 · 11 snapshots · as W6OWO
Ernest Paul Henry C Ammermann
PO Box 61593
PO Box 61593, Sunnyvale, CA 94088

Vanity applications filed by W6OWO

Calls this licensee has asked the FCC for, newest first, in their order of preference. The FCC processes applications 18 days after filing; "likely award" is our estimate from every pending application in filing order.

Filed · Award	Applicant	Requested (in order)	Status
Filed Jan 19, 2024 Granted Feb 6, 2024 0010862497	W6MOO · Ernest Paul Henry C Ammermann · Technician PO Box 61593 · PO Box 61593, Sunnyvale, CA 94088	1.W6OWO ✓ granted 2.W6UWU	Granted got W6OWO
Filed Dec 5, 2016 Award date was Dec 23, 2016 0007578413	KM6AFE · Ernest Paul Henry C Ammermann · Technician 158 Alicante Aisle, Irvine, CA 92614 33.6780, -117.8346 (ZIP center) · Grid DM13bq · CQ 3 · ITU 6 · map ↗	1.W6MOO held 2.N6COW held	Granted

Others requesting W6OWO

3 applications listed W6OWO as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jan 19, 2024	Feb 6, 2024	W6MOO · Ernest Paul Henry C Ammermann · Sunnyvale, CA	1	Granted
Feb 10, 2023	Feb 28, 2023	KN6QHW · Frigyes Erdosi-Szucs · Santa Rosa, CA	5	Granted
Oct 18, 2019	Nov 5, 2019	KN6EWU · Nicole Miller · Pinole, CA	3	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for W6OWO in the last 24 hours. They show up here within seconds of W6OWO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.