N9TPB FCC License Search

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

N6OPA HAM

✅ Available for a vanity request — free since Jul 17, 2006.

1x3 call: Technician, General, Advanced and 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 Jul 17, 2006

Previous holder: WILLIAM H PREETZ

Held N6OPA Oct 6, 1997 → Jul 16, 2004 · first licensed Oct 6, 1997 as N6OPA · 2 licenses · FRN 0011150414

K1NCY Active General · vanity Jul 16, 2004 → expires Sep 24, 2034

Licensee
WILLIAM H PREETZ

Address
Attn: William Hilton Preetz
1010 Westlynn Way, Apt 3
CUPERTINO, CA 95014
37.3101, -122.0345 (street) · Grid CM87xh · CQ 3 · ITU 6 · map ↗

FRN
0011150414

Previous call
N6OPA

Last granted
Sep 24, 2024

Effective
Sep 24, 2024

Last action
Sep 24, 2024
FCC actions (4)
- Sep 24, 2024 — License renewed LIREN
- Jul 10, 2014 — License renewed LIREN
- Jul 16, 2004 — Vanity call sign granted VANGRT
- Jul 16, 2004 — License issued LIISS
N6OPA Canceled General Oct 6, 1997 → Jul 16, 2004 (canceled)

Licensee
WILLIAM H PREETZ

Address
7442 TIPTOE LN
CUPERTINO, CA 95014
37.3084, -122.0819 (ZIP center) · Grid CM87xh · CQ 3 · ITU 6 · map ↗

FRN
0011150414

Last granted
Oct 6, 1997

Effective
Oct 6, 1997

Last action
Jul 16, 2004
FCC actions (2)
- Jul 16, 2004 — License canceled LICAN
- Jun 29, 2004 — FCC action LTSFRN

Address history

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

Seen Nov 28, 2024 → Sep 27, 2026 · 8 snapshots · as K1NCY
WILLIAM H PREETZ
Attn: William Hilton Preetz
1010 Westlynn Way, Apt 3, CUPERTINO, CA 95014
37.3101, -122.0345 (street) · Grid CM87xh · CQ 3 · ITU 6 · map ↗
Seen Nov 7, 2004 → Sep 27, 2026 · 86 snapshots · as N6OPA
WILLIAM H PREETZ
7442 TIPTOE LN, CUPERTINO, CA 95014
37.3084, -122.0819 (ZIP center) · Grid CM87xh · CQ 3 · ITU 6 · map ↗

Others requesting N6OPA

1 application listed N6OPA as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jun 22, 2016	Jul 10, 2016	KD0VZP · MIKE E BORREGO · Pine, CO	3	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for N6OPA in the last 24 hours. They show up here within seconds of N6OPA beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.