N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 8:30 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

KG4ZCB HAM

✅ Available for a vanity request — free since Aug 2, 2005.

2x3 call: any licensee 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 Aug 2, 2005

Previous holder: David T Mullins

Held KG4ZCB Mar 18, 2003 → Aug 1, 2003 · first licensed Mar 18, 2003 as KG4ZCB · 2 licenses · FRN 0008638587

📦 Moved: Aldie, VA → Eugene, OR

K4ARP Active Amateur Extra · vanity Aug 1, 2003 → expires Aug 1, 2033

Licensee
David T Mullins

Address
825 Louis St
Eugene, OR 97402
44.0702, -123.1559 (street) · Grid CN84kb · CQ 3 · ITU 6 · map ↗

FRN
0008638587

Previous call
KG4ZCB (General)

Last granted
May 5, 2023

Effective
Aug 8, 2026

Last action
Aug 8, 2026
FCC actions (14)
- Aug 8, 2026 — Administrative update LIAUA
- Apr 28, 2026 — Administrative update LIAUA
- Jan 20, 2026 — License modified LIMOD
- May 5, 2023 — License renewed LIREN
- Nov 29, 2022 — Administrative update LIAUA
- Nov 1, 2016 — Administrative update LIAUA
- Dec 30, 2014 — Administrative update LIAUA
- May 7, 2013 — License renewed LIREN
- Sep 18, 2012 — Administrative update LIAUA
- Dec 7, 2010 — Administrative update LIAUA
- Mar 19, 2009 — Administrative update LIAUA
- Jan 23, 2004 — License modified LIMOD
- Aug 1, 2003 — Vanity call sign granted VANGRT
- Aug 1, 2003 — License issued LIISS
KG4ZCB Canceled Technician Mar 18, 2003 → Aug 1, 2003 (canceled)

Licensee
David T Mullins

Address
24075 New Mountain Rd
Aldie, VA 20105
38.9532, -77.6036 (ZIP center) · Grid FM18ew · CQ 5 · ITU 8 · map ↗

FRN
0008638587

Last granted
Mar 18, 2003

Effective
Mar 18, 2003

Last action
Aug 1, 2003
FCC actions (2)
- Aug 1, 2003 — License canceled LICAN
- Mar 18, 2003 — License issued LIISS

Address history

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

Seen Sep 27, 2026 → Oct 4, 2026 · 2 snapshots · as K4ARP
David T Mullins
825 Louis St, Eugene, OR 97402
44.0702, -123.1559 (street) · Grid CN84kb · CQ 3 · ITU 6 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 49 snapshots · as KG4ZCB
David T Mullins
24075 New Mountain Rd, Aldie, VA 20105
38.9532, -77.6036 (ZIP center) · Grid FM18ew · CQ 5 · ITU 8 · map ↗
Seen Apr 27, 2024 → Sep 25, 2025 · 10 snapshots · as K4ARP
David T Mullins
Attn: David T. Mullins
30505 H St, Ocean Park, WA 98640
46.6319, -124.0426 (ZIP center) · Grid CN76xp · CQ 3 · ITU 6 · map ↗
Seen Dec 18, 2016 → Apr 16, 2022 · 12 snapshots · as K4ARP
David T Mullins
Attn: David T. Mullins
4202 SE Northridge Dr, Milwaukie, OR 97222
45.4403, -122.6159 (ZIP center) · Grid CN85qk · CQ 3 · ITU 6 · map ↗
Seen Mar 28, 2015 → Nov 4, 2016 · 12 snapshots · as K4ARP
David T Mullins
Attn: David T. Mullins
PO Box 224
6312 SW Capitol Hwy, Portland, OR 97239-1938
45.4899, -122.6905 (ZIP center) · Grid CN85pl · CQ 3 · ITU 6 · map ↗
Seen Feb 18, 2013 → May 22, 2014 · 6 snapshots · as K4ARP
David T Mullins
Attn: David T. Mullins
305 Tucker St, Safety Harbor, FL 34695-2410
28.0082, -82.6884 (ZIP center) · Grid EL88pa · CQ 5 · ITU 8 · map ↗
Seen Oct 17, 2011 → Jul 26, 2012 · 4 snapshots · as K4ARP
David T Mullins
703 Meldrum St, Safety Harbor, FL 34695-2410
28.0082, -82.6884 (ZIP center) · Grid EL88pa · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 · 1 snapshot · as K4ARP
David T Mullins
6409 N. Orleans Ave, Tampa, FL 33604
28.0172, -82.4553 (ZIP center) · Grid EL88sa · CQ 5 · ITU 8 · map ↗

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KG4ZCB in the last 24 hours. They show up here within seconds of KG4ZCB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.