N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 8:30 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

K6BAU HAM

⏳ Not available yet — opens for vanity requests Sep 19, 2028, two years after the license was canceled (Sep 18, 2026).

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 · 2 holders on record

🗓 Active on 2 nets · last heard Sep 18, 2026

Previous holder: William D Bau

Held K6BAU May 23, 2025 → Sep 18, 2026 · first licensed Nov 29, 2010 as KJ6LOR · 5 licenses · FRN 0020331724

K7BAU Active Amateur Extra · vanity Sep 18, 2026 → expires Sep 18, 2036

Licensee
William D Bau

Address
998 Caboose Way
Sparks, NV 89434
39.5448, -119.7142 (street) · Grid DM09dn · CQ 3 · ITU 6 · map ↗

FRN
0020331724

Previous call
K6BAU (General)

Last granted
Sep 18, 2026

Effective
Sep 18, 2026

Last action
Sep 18, 2026
FCC actions (2)
- Sep 18, 2026 — Vanity call sign granted VANGRT
- Sep 18, 2026 — License issued LIISS
K6BAU Canceled Amateur Extra · vanity May 23, 2025 → Sep 18, 2026 (canceled)

Licensee
William D Bau

Address
998 Caboose Way
Sparks, NV 89434
39.5448, -119.7142 (street) · Grid DM09dn · CQ 3 · ITU 6 · map ↗

FRN
0020331724

Previous call
KM7AJO (General)

Last granted
May 23, 2025

Effective
Nov 21, 2025

Last action
Sep 18, 2026
FCC actions (4)
- Sep 18, 2026 — License canceled LICAN
- Nov 21, 2025 — License modified LIMOD
- May 23, 2025 — Vanity call sign granted VANGRT
- May 23, 2025 — License issued LIISS
📦 Moved: Seaside, CA → Sparks, NV

KM7AJO Canceled General Apr 24, 2025 → May 23, 2025 (canceled)

Licensee
William D Bau

Address
998 Caboose Way
Sparks, NV 89434
39.5448, -119.7142 (street) · Grid DM09dn · CQ 3 · ITU 6 · map ↗

FRN
0020331724

Last granted
Apr 24, 2025

Effective
Apr 24, 2025

Last action
May 23, 2025
FCC actions (3)
- May 23, 2025 — License canceled LICAN
- Apr 24, 2025 — License issued LIISS
- Apr 24, 2025 — Systematic call sign granted SYSGRT
📦 Moved: Castaic, CA → Seaside, CA

K6BAU Expired General · vanity Jul 12, 2011 → Jul 12, 2021 (expired)

Licensee
William D Bau

Address
2035 Military Ave.
Seaside, CA 93955
36.6148, -121.7880 (ZIP center) · Grid CM96co · CQ 3 · ITU 6 · map ↗

FRN
0020331724

Previous call
KJ6LOR

Last granted
Jul 12, 2011

Effective
Nov 6, 2018

Last action
Jul 13, 2023
FCC actions (7)
- Jul 13, 2023 — License expired LIEXP
- Nov 6, 2018 — Administrative update LIAUA
- Nov 6, 2018 — Administrative update LIAUA
- Nov 6, 2018 — Administrative update LIAUA
- Feb 5, 2013 — Administrative update LIAUA
- Jul 12, 2011 — Vanity call sign granted VANGRT
- Jul 12, 2011 — License issued LIISS
KJ6LOR Canceled General Nov 29, 2010 → Jul 12, 2011 (canceled)

Licensee
William D Bau

Address
30534 Shasta Ct
Castaic, CA 91384
34.5201, -118.6683 (ZIP center) · Grid DM04pm · CQ 3 · ITU 6 · map ↗

FRN
0020331724

Last granted
Nov 29, 2010

Effective
Nov 29, 2010

Last action
Jul 12, 2011
FCC actions (3)
- Jul 12, 2011 — License canceled LICAN
- Nov 29, 2010 — License issued LIISS
- Nov 29, 2010 — 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 May 29, 2025 → Oct 4, 2026 · 10 snapshots · as KM7AJO
William D Bau
998 Caboose Way, Sparks, NV 89434
39.5448, -119.7142 (street) · Grid DM09dn · CQ 3 · ITU 6 · map ↗
Seen Jan 22, 2019 → Oct 4, 2026 · 15 snapshots · as K6BAU
William D Bau
2035 Military Ave., Seaside, CA 93955
36.6148, -121.7880 (ZIP center) · Grid CM96co · CQ 3 · ITU 6 · map ↗
Seen Oct 17, 2011 → Oct 4, 2026 · 50 snapshots · as KJ6LOR
William D Bau
30534 Shasta Ct, Castaic, CA 91384
34.5201, -118.6683 (ZIP center) · Grid DM04pm · CQ 3 · ITU 6 · map ↗
Seen Feb 18, 2013 → Sep 3, 2018 · 27 snapshots · as K6BAU
William D Bau
21 SKYLINE CREST, MONTEREY, CA 93940
36.5623, -121.8055 (ZIP center) · Grid CM96cn · CQ 3 · ITU 6 · map ↗

Previous holder: WILLIAM A CASILLAS

Held K6BAU Sep 8, 1987 → Sep 8, 1997 · first licensed Sep 8, 1987 as K6BAU · 1 license · no FRN on file (pre-2001 records)

K6BAU Expired General Sep 8, 1987 → Sep 8, 1997 (expired)

Licensee
WILLIAM A CASILLAS

Address
1145-29 BARHAM DR
SAN MARCOS, CA 92069
33.1753, -117.1576 (ZIP center) · Grid DM13ke · CQ 3 · ITU 6 · map ↗

Last granted
Sep 8, 1987

Effective
Sep 8, 1987

Last action
Sep 10, 1999
FCC actions (1)
- Sep 10, 1999 — License expired LIEXP

Address history

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

Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as K6BAU
WILLIAM A CASILLAS
1145-29 BARHAM DR, SAN MARCOS, CA 92069
33.1753, -117.1576 (ZIP center) · Grid DM13ke · CQ 3 · ITU 6 · map ↗

Others requesting K6BAU

2 applications listed K6BAU as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
May 5, 2025	May 23, 2025	KM7AJO · William D Bau · Sparks, NV	1	Granted
Jun 24, 2011	Jul 12, 2011	KJ6LOR · William D Bau · Castaic, CA	1	Granted

Nets

Net	When	Frequency	Role	Times	Last
Early Bird	Daily 7:30 AM · Wed, Sat, Sun 7:15 AM PT	7.1855	Checked in	9	2026-09-18
40M 718550MHz EarlyBird Net	Tue 7:30 AM PT	7.185500	Checked in	1	2026-09-08

From nets logged with NetLogger since the start of collection.

📡 On the air: APRS, digital & WSPR spots

📤 Heard by others PSK Reporter

Heard by 1 station (1 reports) · last 21 hr ago · FT8 · grid DM09dn

15m · 1

Farthest: KL3RR, 1,967 miles on 15m FT8 (-25 dB)

PSK Reporter map →