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, WIK3DSI HAM
✅ Available for a vanity request — free since Jan 28, 2011.
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 Jan 28, 2011
Previous holder: Yoshiaki Sone
Held K3DSI Nov 4, 2008 → Jan 27, 2009 · first licensed Jan 7, 1997 as W3JH · 8 licenses · FRN 0015133721
-
- Licensee
- Yoshiaki Sone
- Address
- Attn: Mr. Yoshi Ohno
15323 Chinaberry St.
North Potomac, MD 20878
- FRN
- 0015133721
- Previous call
- WO3S (General)
- Last granted
- Dec 15, 2020
- Effective
- Dec 15, 2020
- Last action
- Dec 6, 2021
FCC actions (4)
- Dec 15, 2020 — License renewed LIREN
- Oct 4, 2011 — Administrative update LIAUA
- Mar 12, 2011 — Vanity call sign granted VANGRT
- Mar 12, 2011 — License issued LIISS
-
📦 Moved: San Leandro, CA → North Potomac, MD
- Licensee
- Yoshiaki Sone
- Address
- Attn: Mr. Yoshi Ohno
15323 Chinaberry St.
North Potomac, MD 20878
- FRN
- 0015133721
- Previous call
- KJ6JAU (General)
- Last granted
- Sep 3, 2010
- Effective
- Jan 25, 2011
- Last action
- Mar 12, 2011
FCC actions (8)
- Mar 12, 2011 — License canceled LICAN
- Jan 25, 2011 — Administrative update LIAUA
- Nov 23, 2010 — Administrative update LIAUA
- Oct 8, 2010 — Authorization printed AUTHPR
- Oct 7, 2010 — Record corrected COR
- Oct 7, 2010 — FCC action INTDUP
- Sep 3, 2010 — Vanity call sign granted VANGRT
- Sep 3, 2010 — License issued LIISS
-
📦 Moved: Fairfax Station, VA → San Leandro, CA
- Licensee
- Yoshiaki Sone
- Address
- 448 Hester St 11701
San Leandro, CA 94577
- FRN
- 0015133721
- Last granted
- Jun 21, 2010
- Effective
- Aug 16, 2010
- Last action
- Sep 3, 2010
FCC actions (5)
- Sep 3, 2010 — License canceled LICAN
- Aug 16, 2010 — License modified LIMOD
- Jul 27, 2010 — License modified LIMOD
- Jun 21, 2010 — License issued LIISS
- Jun 21, 2010 — Systematic call sign granted SYSGRT
-
- Licensee
- JAMES B CLAYTON
- Address
- 8212 COPPERGLOW TRAIL
FAIRFAX STATION, VA 22039
- FRN
- 0018187310
- Previous call
- W3JH (General)
- Last granted
- Nov 22, 2018
- Effective
- Nov 22, 2018
- Last action
- Jun 8, 2022
FCC actions (3)
- Nov 22, 2018 — License renewed LIREN
- Feb 18, 2009 — Vanity call sign granted VANGRT
- Feb 18, 2009 — License issued LIISS
-
- Licensee
- JAMES B CLAYTON
- Address
- 8212 COPPERGLOW TRAIL
FAIRFAX STATION, VA 22039
- FRN
- 0015133721
- Previous call
- K3DSI (General)
- Last granted
- Jan 27, 2009
- Effective
- Jan 27, 2009
- Last action
- Dec 6, 2021
FCC actions (3)
- Feb 18, 2009 — License canceled LICAN
- Jan 27, 2009 — Vanity call sign granted VANGRT
- Jan 27, 2009 — License issued LIISS
-
- Licensee
- JAMES B CLAYTON
- Address
- 8212 COPPERGLOW TRAIL
FAIRFAX STATION, VA 22039
- FRN
- 0018187310
- Previous call
- KJ4HCX (General)
- Last granted
- Nov 4, 2008
- Effective
- Dec 15, 2008
- Last action
- Jan 27, 2009
FCC actions (4)
- Jan 27, 2009 — License canceled LICAN
- Dec 15, 2008 — License modified LIMOD
- Nov 4, 2008 — Vanity call sign granted VANGRT
- Nov 4, 2008 — License issued LIISS
-
📦 Moved: Connellsville, PA → Fairfax Station, VA
- Licensee
- JAMES B CLAYTON
- Address
- 8212 COPPERGLOW TRAIL
FAIRFAX STATION, VA 22039
- FRN
- 0018187310
- Last granted
- Oct 14, 2008
- Effective
- Oct 14, 2008
- Last action
- Nov 4, 2008
FCC actions (3)
- Nov 4, 2008 — License canceled LICAN
- Oct 14, 2008 — License issued LIISS
- Oct 14, 2008 — Systematic call sign granted SYSGRT
-
- Licensee
- JOHN P HEFFLEY
- Address
- BOX 401
CONNELLSVILLE, PA 15425
- FRN
- 0015133721
- Last granted
- Jan 7, 1997
- Effective
- Jan 7, 1997
- Last action
- Dec 6, 2021
FCC actions (1)
- Jan 8, 2009 — License expired LIEXP
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Oct 17, 2011 → Oct 4, 2026 · 92 snapshots · as WO3S
Yoshiaki Sone
Attn: Mr. Yoshi Ohno
15323 Chinaberry St., North Potomac, MD 20878 - Seen Oct 17, 2011 → Oct 4, 2026 · 46 snapshots · as KJ6JAU
Yoshiaki Sone
448 Hester St 11701, San Leandro, CA 94577 - Seen May 27, 2010 → Oct 4, 2026 · 188 snapshots · as KJ4HCX
JAMES B CLAYTON
8212 COPPERGLOW TRAIL, FAIRFAX STATION, VA 22039 - Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as W3JH
JOHN P HEFFLEY
BOX 401, CONNELLSVILLE, PA 15425
Others requesting K3DSI
2 applications listed K3DSI as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Sep 3, 2025 | Sep 21, 2025 | KE5WHR · Trey D Scarborough · Grand Priairie, TX | 2 | Dismissed |
| Oct 15, 2008 | Nov 2, 2008 | KJ4HCX · JAMES B CLAYTON · FAIRFAX STATION, VA | 1 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for K3DSI in the last 24 hours. They show up here within seconds of K3DSI beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.