N9TPB FCC License Search

🕒 FCC license data updated today 9:42 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 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

W6CSR

✅ Available for a vanity request — free since Dec 29, 2024.

1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it. No pending applications list it.

Not currently held · 2 holders on record · available since Dec 29, 2024

Previous holder: Cesar M De Leon

Held W6CSR Jul 24, 2021 → Dec 28, 2022 · first licensed Dec 29, 2005 as KF6ASX · 5 licenses · FRN 0014468698

AC6TT Active Amateur Extra · vanity Dec 28, 2022 → expires Dec 28, 2032

Licensee
Cesar M De Leon

Address
18432 E Orkney St
Azusa, CA 91702
34.1131, -117.8919 (street) · Grid DM14bc · CQ 3 · ITU 6 · map ↗

FRN
0014468698

Previous call
W6CSR (General)

Last granted
Dec 28, 2022

Effective
Dec 28, 2022

Last action
Dec 28, 2022
FCC actions (2)
- Dec 28, 2022 — Vanity call sign granted VANGRT
- Dec 28, 2022 — License issued LIISS
W6CSR Canceled Amateur Extra · vanity Jul 24, 2021 → Dec 28, 2022 (canceled)

Licensee
Cesar M De Leon

Address
18432 E Orkney St
Azusa, CA 91702
34.1131, -117.8919 (street) · Grid DM14bc · CQ 3 · ITU 6 · map ↗

FRN
0014468698

Previous call
W6ZFX (General)

Last granted
Jul 24, 2021

Effective
Nov 16, 2022

Last action
Dec 28, 2022
FCC actions (5)
- Dec 28, 2022 — License canceled LICAN
- Nov 16, 2022 — License modified LIMOD
- Sep 13, 2022 — License modified LIMOD
- Jul 24, 2021 — Vanity call sign granted VANGRT
- Jul 24, 2021 — License issued LIISS
W6ZFX Canceled Technician · vanity Apr 26, 2019 → Jul 24, 2021 (canceled)

Licensee
Cesar M De Leon

Address
18432 E Orkney St
Azusa, CA 91702
34.1131, -117.8919 (street) · Grid DM14bc · CQ 3 · ITU 6 · map ↗

FRN
0014468698

Previous call
KM6ZFX

Last granted
Apr 26, 2019

Effective
Apr 26, 2019

Last action
Jul 24, 2021
FCC actions (3)
- Jul 24, 2021 — License canceled LICAN
- Apr 26, 2019 — Vanity call sign granted VANGRT
- Apr 26, 2019 — License issued LIISS
📦 Moved: Arcadia, CA → Azusa, CA

KM6ZFX Canceled Technician Jan 31, 2019 → Apr 26, 2019 (canceled)

Licensee
Cesar M De Leon

Address
18432 E Orkney St
Azusa, CA 91702
34.1131, -117.8919 (street) · Grid DM14bc · CQ 3 · ITU 6 · map ↗

FRN
0014468698

Last granted
Jan 31, 2019

Effective
Jan 31, 2019

Last action
Apr 26, 2019
FCC actions (3)
- Apr 26, 2019 — License canceled LICAN
- Jan 31, 2019 — License issued LIISS
- Jan 31, 2019 — Systematic call sign granted SYSGRT
KF6ASX Expired Technician Dec 29, 2005 → Jan 12, 2016 (expired)

Licensee
CESAR M DE LEON

Address
2869 WEIDERMEYER AVE
ARCADIA, CA 91006
34.1352, -118.0267 (ZIP center) · Grid DM04xd · CQ 3 · ITU 6 · map ↗

FRN
0014468698

Last granted
Dec 29, 2005

Effective
Jul 9, 2008

Last action
Jan 13, 2018
FCC actions (4)
- Jan 13, 2018 — License expired LIEXP
- Jul 9, 2008 — License modified LIMOD
- Dec 29, 2005 — License renewed LIREN
- Dec 29, 2005 — FCC action LITIN

Address history

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

Seen May 6, 2019 → Sep 27, 2026 · 49 snapshots · as KM6ZFX
Cesar M De Leon
18432 E Orkney St, Azusa, CA 91702
34.1131, -117.8919 (street) · Grid DM14bc · CQ 3 · ITU 6 · map ↗
Seen May 27, 2010 → Sep 27, 2026 · 46 snapshots · as KF6ASX
CESAR M DE LEON
2869 WEIDERMEYER AVE, ARCADIA, CA 91006
34.1352, -118.0267 (ZIP center) · Grid DM04xd · CQ 3 · ITU 6 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KF6ASX
CESAR L MARASIGAN
1769 E VILLA ST, PASADENA, CA 91106
34.1394, -118.1287 (ZIP center) · Grid DM04wd · CQ 3 · ITU 6 · map ↗

Previous holder: Dan Mason

Held W6CSR Sep 19, 2000 → Sep 19, 2010 · first licensed Jul 27, 2000 as KG6CQO · 2 licenses · FRN 0003831344

W6CSR Expired General · vanity Sep 19, 2000 → Sep 19, 2010 (expired)

Licensee
Dan Mason

Address
Attn: DAN MASON
1422 Hill Dr
Los Angeles, CA 90041-1545
34.1374, -118.2076 (ZIP center) · Grid DM04vd · CQ 3 · ITU 6 · map ↗

FRN
0003831344

Previous call
KG6CQO

Last granted
Sep 19, 2000

Effective
Sep 19, 2000

Last action
Sep 20, 2012
FCC actions (2)
- Sep 20, 2012 — License expired LIEXP
- Sep 19, 2000 — License issued LIISS
KG6CQO Canceled General Jul 27, 2000 → Sep 19, 2000 (canceled)

Licensee
Dan Mason

Address
1422 Hill Dr
Los Angeles, CA 90041-1545
34.1374, -118.2076 (ZIP center) · Grid DM04vd · CQ 3 · ITU 6 · map ↗

FRN
0003831344

Last granted
Jul 27, 2000

Effective
Jul 27, 2000

Last action
Sep 19, 2000
FCC actions (2)
- Sep 19, 2000 — License canceled LICAN
- Jul 27, 2000 — License issued LIISS

Address history

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

Seen Nov 7, 2004 → Sep 27, 2026 · 94 snapshots · as KG6CQO
Dan Mason
1422 Hill Dr, Los Angeles, CA 90041-1545
34.1374, -118.2076 (ZIP center) · Grid DM04vd · CQ 3 · ITU 6 · map ↗

Others requesting W6CSR

4 applications listed W6CSR as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jul 6, 2021	Jul 24, 2021	W6ZFX · Cesar M De Leon · Azusa, CA	2	Granted
Apr 8, 2019	Apr 26, 2019	KM6ZFX · Cesar M De Leon · Azusa, CA	8	Granted
Mar 12, 2014	Mar 30, 2014	KK6KEH · City Of Santa Rosa Amateur Emergency Communications Service · Santa Rosa, CA	3	Granted
Aug 31, 2000	Sep 18, 2000	KG6CQO · Dan Mason · Los Angeles, CA	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for W6CSR in the last 24 hours. They show up here within seconds of W6CSR beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.