N9TPB FCC License Search

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

KF3DS HAM

✅ Available for a vanity request — free since Feb 27, 2020.

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 27, 2020

Previous holder: Cornelius M Ryan

Held KF3DS Jan 11, 2000 → Feb 26, 2018 · first licensed Mar 21, 1998 as KB3CDL · 2 licenses · FRN 0003498425

📦 Moved: Gaithersburg, MD → Rockville, MD

KF3DS Expired Amateur Extra Jan 11, 2000 → Feb 26, 2018 (expired)

Licensee
Cornelius M Ryan

Address
451 Hungerford Dr Ste 119-333
Rockville, MD 20850
39.0892, -77.1804 (ZIP center) · Grid FM19jc · CQ 5 · ITU 8 · map ↗

FRN
0003498425

Previous call
KB3CDL (Advanced)

Last granted
Dec 27, 2007

Effective
Dec 27, 2007

Last action
Feb 27, 2020
FCC actions (5)
- Feb 27, 2020 — License expired LIEXP
- Dec 27, 2007 — License renewed LIREN
- Aug 30, 2007 — Administrative update LIAUA
- Apr 18, 2000 — License modified LIMOD
- Jan 11, 2000 — License issued LIISS
KB3CDL Canceled Technician Plus Mar 21, 1998 → Jan 11, 2000 (canceled)

Licensee
CORNELIUS M RYAN

Address
15914B SHADY GROVE RD 347
GAITHERSBURG, MD 20877
39.1406, -77.1921 (ZIP center) · Grid FM19jd · CQ 5 · ITU 8 · map ↗

FRN
0003498425

Last granted
Mar 21, 1998

Effective
Mar 21, 1998

Last action
Jan 11, 2000
FCC actions (1)
- Jan 11, 2000 — License canceled LICAN

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 · 47 snapshots · as KF3DS
Cornelius M Ryan
451 Hungerford Dr Ste 119-333, Rockville, MD 20850
39.0892, -77.1804 (ZIP center) · Grid FM19jc · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KB3CDL
CORNELIUS M RYAN
15914B SHADY GROVE RD 347, GAITHERSBURG, MD 20877
39.1406, -77.1921 (ZIP center) · Grid FM19jd · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KF3DS
Cornelius M Ryan
14625 Baltimore Ave PMB 297, Laurel, MD 20707
39.0956, -76.8839 (ZIP center) · Grid FM19nc · CQ 5 · ITU 8 · map ↗

Others requesting KF3DS

1 application listed KF3DS as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Sep 3, 2025	Sep 21, 2025	KE5WHR · Trey D Scarborough · Grand Priairie, TX	1	Dismissed

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KF3DS in the last 24 hours. They show up here within seconds of KF3DS beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.