N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 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

W3CSI HAM

Technician class licensed since 2006 (20 yrs) W3CSI since 2008 · previously N3COZ Baltimore, MD

🔒 Not available — currently licensed, through Aug 17, 2029. If it isn't renewed, it opens for vanity requests Aug 18, 2031.

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

📝 W3CSI has filed vanity applications before — latest filed Sep 11, 2008 · what was requested

Currently held by WILLIAM W JOHNSON · 1 holder on record

Current holder: WILLIAM W JOHNSON

Held W3CSI Sep 30, 2008 → present · first licensed May 24, 2006 as N3COZ · 2 licenses · FRN 0015084239

W3CSI Active Technician · vanity Sep 30, 2008 → expires Aug 17, 2029

Licensee
WILLIAM W JOHNSON

Address
Attn: William Johnson
PO Box 30479
BALTIMORE, MD 21270

FRN
0015084239

Previous call
N3COZ (Technician Plus)

Last granted
Aug 17, 2019

Effective
Aug 17, 2019

Last action
Aug 17, 2019
FCC actions (3)
- Aug 17, 2019 — License renewed LIREN
- Sep 30, 2008 — Vanity call sign granted VANGRT
- Sep 30, 2008 — License issued LIISS
N3COZ Canceled Technician May 24, 2006 → Sep 30, 2008 (canceled)

Licensee
WILLIAM W JOHNSON

Address
PO Box 30479
BALTIMORE, MD 21270

FRN
0015084239

Last granted
Aug 28, 2006

Effective
Aug 28, 2006

Last action
Sep 30, 2008
FCC actions (4)
- Sep 30, 2008 — License canceled LICAN
- Aug 28, 2006 — License renewed LIREN
- May 24, 2006 — FCC action LTSFRN
- May 24, 2006 — Administrative update LIAUA

Address history

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

Seen May 27, 2010 → Oct 4, 2026 · 94 snapshots · as N3COZ
WILLIAM W JOHNSON
PO Box 30479
BALTIMORE, MD 21270
Seen Nov 7, 2004 · 1 snapshot · as N3COZ
WILLIAM W JOHNSON JR
3600 CALLAWAY AVE, BALTIMORE, MD 21215
39.3459, -76.6822 (ZIP center) · Grid FM19pi · CQ 5 · ITU 8 · map ↗

Vanity applications filed by W3CSI

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 Sep 11, 2008 Granted Aug 17, 2019 0003575931	N3COZ · WILLIAM W JOHNSON · Technician Attn: William Johnson · PO Box 30479 · BALTIMORE, MD 21270	1.W3CSI ✓ granted 2.W3WWJ	Granted got W3CSI

Others requesting W3CSI

3 applications listed W3CSI as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Sep 11, 2008	Sep 29, 2008	N3COZ · WILLIAM W JOHNSON · BALTIMORE, MD	1	Granted
Jun 9, 2000	Jun 27, 2000	KB3CWS · MARK R GAMBER · LANCASTER, PA	3	Withdrawn
Jun 1, 2000	Jun 19, 2000	KB3CWS · MARK R GAMBER · LANCASTER, PA	3	Dismissed

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for W3CSI in the last 24 hours. They show up here within seconds of W3CSI beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.