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

K4GFO HAM

✅ Available for a vanity request — free since May 5, 2016.

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 May 5, 2016

Previous holder: Jeffrey S Behrbaum

Held K4GFO May 4, 2004 → May 4, 2014 · first licensed Apr 13, 2004 as KI4FBG · 3 licenses · FRN 0010737567

📦 Moved: Alexandria, VA → Gainesville, VA

KQ4CAP Active Technician Jul 13, 2022 → expires Jul 13, 2032

Licensee
Jeffrey S Behrbaum

Address
PO Box 662
Gainesville, VA 20156

FRN
0010737567

Last granted
Jul 13, 2022

Effective
Jul 13, 2022

Last action
Jul 13, 2022
FCC actions (2)
- Jul 13, 2022 — License issued LIISS
- Jul 13, 2022 — Systematic call sign granted SYSGRT
K4GFO Expired General · vanity May 4, 2004 → May 4, 2014 (expired)

Licensee
Jeffrey S Behrbaum

Address
PO Box 3348
Alexandria, VA 22302
38.8279, -77.0831 (ZIP center) · Grid FM18lt · CQ 5 · ITU 8 · map ↗

FRN
0010737567

Previous call
KI4FBG (Technician)

Last granted
May 4, 2004

Effective
Dec 23, 2004

Last action
May 5, 2016
FCC actions (4)
- May 5, 2016 — License expired LIEXP
- Dec 23, 2004 — License modified LIMOD
- May 4, 2004 — Vanity call sign granted VANGRT
- May 4, 2004 — License issued LIISS
KI4FBG Canceled Technician Apr 13, 2004 → May 4, 2004 (canceled)

Licensee
Jeffrey S Behrbaum

Address
PO Box 3348
Alexandria, VA 22302
38.8279, -77.0831 (ZIP center) · Grid FM18lt · CQ 5 · ITU 8 · map ↗

FRN
0010737567

Last granted
Apr 13, 2004

Effective
Apr 13, 2004

Last action
May 4, 2004
FCC actions (2)
- May 4, 2004 — License canceled LICAN
- Apr 13, 2004 — License issued LIISS

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 KQ4CAP
Jeffrey S Behrbaum
PO Box 662
Gainesville, VA 20156
Seen Nov 7, 2004 → Oct 4, 2026 · 96 snapshots · as KI4FBG
Jeffrey S Behrbaum
PO Box 3348
Alexandria, VA 22302
38.8279, -77.0831 (ZIP center) · Grid FM18lt · CQ 5 · ITU 8 · map ↗

Others requesting K4GFO

1 application listed K4GFO as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Apr 16, 2004	May 4, 2004	KI4FBG · Jeffrey S Behrbaum · Alexandria, VA	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K4GFO in the last 24 hours. They show up here within seconds of K4GFO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.