N9TPB FCC License Search

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

KD4YI HAM

✅ Available for a vanity request — free since Feb 4, 2006.

2x2 call: 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 Feb 4, 2006

Previous holder: John L Robuck

Held KD4YI Aug 21, 1996 → Feb 3, 2004 · first licensed Aug 21, 1996 as KD4YI · 2 licenses · FRN 0005350608

📦 Moved: Arlington, VA → Charlottesville, VA

N4AMJ Active Advanced · vanity Feb 3, 2004 → expires Feb 3, 2034

Licensee
John L Robuck

Address
2327 RAVENSWOOD CT
CHARLOTTESVILLE, VA 22911
38.1111, -78.4508 (street) · Grid FM08sc · CQ 5 · ITU 8 · map ↗

FRN
0005350608

Previous call
KD4YI

Last granted
Mar 23, 2024

Effective
Mar 23, 2024

Last action
Mar 23, 2024
FCC actions (7)
- Mar 23, 2024 — License renewed LIREN
- Dec 28, 2022 — Administrative update LIAUA
- Nov 28, 2013 — License renewed LIREN
- Jan 30, 2007 — Administrative update LIAUA
- Sep 14, 2004 — Administrative update LIAUA
- Feb 3, 2004 — Vanity call sign granted VANGRT
- Feb 3, 2004 — License issued LIISS
KD4YI Canceled Advanced Aug 21, 1996 → Feb 3, 2004 (canceled)

Licensee
JOHN L ROBUCK

Address
901 N MONROEST 504
ARLINGTON, VA 22201-2355
38.8868, -77.0950 (ZIP center) · Grid FM18kv · CQ 5 · ITU 8 · map ↗

FRN
0005350608

Last granted
Aug 21, 1996

Effective
Mar 21, 2003

Last action
Feb 3, 2004
FCC actions (2)
- Feb 3, 2004 — License canceled LICAN
- Mar 21, 2003 — Administrative update LIAUA

Address history

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

Seen Apr 27, 2024 → Oct 4, 2026 · 12 snapshots · as N4AMJ
John L Robuck
2327 RAVENSWOOD CT, CHARLOTTESVILLE, VA 22911
38.1111, -78.4508 (street) · Grid FM08sc · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KD4YI
JOHN L ROBUCK
901 N MONROEST 504, ARLINGTON, VA 22201-2355
38.8868, -77.0950 (ZIP center) · Grid FM18kv · CQ 5 · ITU 8 · map ↗
Seen Mar 28, 2014 → Apr 16, 2022 · 26 snapshots · as N4AMJ
John L Robuck
2381 SUNSET AVE APT 501B, LAKE WORTH, FL 33461-6814
26.6186, -80.0932 (ZIP center) · Grid EL96wo · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Oct 22, 2013 · 9 snapshots · as N4AMJ
John L Robuck
2381 SUNSET AVE APT 501-B, LAKE WORTH, FL 33461-6807
26.6186, -80.0932 (ZIP center) · Grid EL96wo · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as N4AMJ
John L Robuck
5300 HOLMES RUN PKWY, APT 1002, ALEXANDRIA, VA 22304-2880
38.8132, -77.1123 (ZIP center) · Grid FM18kt · CQ 5 · ITU 8 · map ↗

Others requesting KD4YI

1 application listed KD4YI as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Dec 22, 2014	Jan 9, 2015	KM4AND · Yolanda Mathews · Green Cove Springs, FL	16	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KD4YI in the last 24 hours. They show up here within seconds of KD4YI beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.