N9TPB FCC License Search

🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 2, 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

KN4JAY HAM

✅ Available for a vanity request — free since Mar 22, 2020.

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 Mar 22, 2020

Previous holder: MATTHIAS KROMM

Held KN4JAY Jan 22, 2018 → Mar 21, 2018 · first licensed Jan 22, 2018 as KN4JAY · 3 licenses · FRN 0027159292

📦 Moved: Greer, SC → Piedmont, SC

NU4E Active Amateur Extra · vanity Apr 10, 2018 → expires Apr 10, 2028

Licensee
MATTHIAS KROMM

Address
406 Rehoboth Rd
Piedmont, SC 29673
34.6790, -82.4490 (street) · Grid EM84sq · CQ 5 · ITU 8 · map ↗

FRN
0027159292

Previous call
KX4JT (General)

Last granted
Apr 10, 2018

Effective
Dec 8, 2023

Last action
Dec 8, 2023
FCC actions (5)
- Dec 8, 2023 — Administrative update LIAUA
- Apr 10, 2020 — Administrative update LIAUA
- May 29, 2019 — Administrative update LIAUA
- Apr 10, 2018 — Vanity call sign granted VANGRT
- Apr 10, 2018 — License issued LIISS
KX4JT Canceled Amateur Extra Jan 22, 2018 → Apr 10, 2018 (canceled)

Licensee
MATTHIAS KROMM

Address
2418 HIGHWAY 101 SOUTH
GREER, SC 29651
35.0238, -82.2796 (ZIP center) · Grid EM85ua · CQ 5 · ITU 8 · map ↗

FRN
0027159292

Previous call
KN4JAY (General)

Last granted
Jan 22, 2018

Effective
Mar 21, 2018

Last action
Apr 10, 2018
FCC actions (3)
- Apr 10, 2018 — License canceled LICAN
- Mar 21, 2018 — Systematic call sign granted SYSGRT
- Mar 21, 2018 — License issued LIISS
KN4JAY Canceled Amateur Extra Jan 22, 2018 → Mar 21, 2018 (canceled)

Licensee
MATTHIAS KROMM

Address
2418 HIGHWAY 101 SOUTH
GREER, SC 29651
35.0238, -82.2796 (ZIP center) · Grid EM85ua · CQ 5 · ITU 8 · map ↗

FRN
0027159292

Last granted
Jan 22, 2018

Effective
Mar 21, 2018

Last action
Mar 21, 2018
FCC actions (3)
- Mar 21, 2018 — License canceled LICAN
- Jan 22, 2018 — License issued LIISS
- Jan 22, 2018 — 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 Apr 27, 2024 → Sep 27, 2026 · 11 snapshots · as NU4E
MATTHIAS KROMM
406 Rehoboth Rd, Piedmont, SC 29673
34.6790, -82.4490 (street) · Grid EM84sq · CQ 5 · ITU 8 · map ↗
Seen May 7, 2018 → Sep 27, 2026 · 36 snapshots · as KN4JAY
MATTHIAS KROMM
2418 HIGHWAY 101 SOUTH, GREER, SC 29651
35.0238, -82.2796 (ZIP center) · Grid EM85ua · CQ 5 · ITU 8 · map ↗
Seen Apr 16, 2022 · 1 snapshot · as NU4E
MATTHIAS KROMM
236 Autumnvale Drive, Inman, SC 29349
35.0673, -82.0681 (ZIP center) · Grid EM85xb · CQ 5 · ITU 8 · map ↗

Others requesting KN4JAY

1 application listed KN4JAY as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Oct 10, 2019	Oct 28, 2019	KG4LEY · JOHN C SAMPLES · Grovetown, GA	2	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KN4JAY in the last 24 hours. They show up here within seconds of KN4JAY beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.