N9TPB FCC License Search

🕒 FCC license data updated today 8:30 am CDT (FCC files through Oct 1, 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

KK4CLF HAM

✅ Available for a vanity request — free since Nov 19, 2013.

2x3 call: any licensee can request it. No pending applications list it.

📬 QSL: LoTW user · last upload Feb 4, 2012 · eQSL AG member · QRZ · HamQTH

Not currently held · 1 holder on record · available since Nov 19, 2013

Previous holder: Michael S Borden

Held KK4CLF Jun 6, 2011 → Nov 18, 2011 · first licensed Jun 6, 2011 as KK4CLF · 2 licenses · FRN 0020916862

AD4SB Active Amateur Extra · vanity Nov 18, 2011 → expires Nov 18, 2031

Licensee
Michael S Borden

Address
2720 Old River Road SE
Decatur, AL 35603
34.5547, -86.9205 (street) · Grid EM64mn · CQ 4 · ITU 8 · map ↗

FRN
0020916862

Previous call
KK4CLF (General)

Last granted
Aug 21, 2021

Effective
Aug 21, 2021

Last action
Aug 21, 2021
FCC actions (4)
- Aug 21, 2021 — License renewed LIREN
- Jul 12, 2016 — Administrative update LIAUA
- Nov 18, 2011 — Vanity call sign granted VANGRT
- Nov 18, 2011 — License issued LIISS
KK4CLF Canceled Amateur Extra Jun 6, 2011 → Nov 18, 2011 (canceled)

Licensee
Michael S Borden

Address
40 Cypress Dr
Decatur, AL 35603
34.5355, -86.9712 (ZIP center) · Grid EM64mm · CQ 4 · ITU 8 · map ↗

FRN
0020916862

Last granted
Jun 6, 2011

Effective
Aug 22, 2011

Last action
Nov 18, 2011
FCC actions (4)
- Nov 18, 2011 — License canceled LICAN
- Aug 22, 2011 — License modified LIMOD
- Jun 6, 2011 — License issued LIISS
- Jun 6, 2011 — Systematic call sign granted SYSGRT

Address history

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

Seen Nov 4, 2016 → Sep 27, 2026 · 24 snapshots · as AD4SB
Michael S Borden
2720 Old River Road SE, Decatur, AL 35603
34.5547, -86.9205 (street) · Grid EM64mn · CQ 4 · ITU 8 · map ↗
Seen Oct 17, 2011 → Sep 27, 2026 · 64 snapshots · as KK4CLF
Michael S Borden
40 Cypress Dr, Decatur, AL 35603
34.5355, -86.9712 (ZIP center) · Grid EM64mm · CQ 4 · ITU 8 · map ↗

Others requesting KK4CLF

2 applications listed KK4CLF as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
May 27, 2026	Jun 14, 2026	KR4MNE · Christopher L Fincher · Rome, GA	4	Granted
Jul 23, 2024	Aug 10, 2024	KQ4TZI · Clifton T Jones · Holly Springs, NC	5	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KK4CLF in the last 24 hours. They show up here within seconds of KK4CLF beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.