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

Joshua D Margolis

FRN 0028240695 · first licensed May 11, 2020 as KO4DIX · 3 licenses on record

📝 FCC applications (6)

Received	File number	Service	Purpose	Status	Call
Jun 8, 2023	0010577580	HAM	Modification	Granted	WJ0SHM
Jun 8, 2023	0010577573	HAM	Administrative update	Granted	WJ0SHM
Jun 8, 2020	0009104212	HAM	Administrative update	Granted	WJ0SHM
May 26, 2020	0009090677	HAM	Administrative update	Granted	KO4DIX
May 14, 2020	0009078231	HAM	Modification	Granted	KO4DIX
May 11, 2020	0009074214	HAM	New license	Granted	KO4DIX

Complete licensing history

N8JDM Active Technician · vanity Jun 27, 2023 → expires Jun 27, 2033

Licensee
Joshua D Margolis

Address
PO Box 550109
ATLANTA, GA 30355

FRN
0028240695

Previous call
WJ0SHM

Last granted
Jun 27, 2023

Effective
Jun 27, 2023

Last action
Jun 27, 2023
FCC actions (2)
- Jun 27, 2023 — Vanity call sign granted VANGRT
- Jun 27, 2023 — License issued LIISS
WJ0SHM Canceled Technician · vanity Jun 1, 2020 → Jun 27, 2023 (canceled)

Licensee
Joshua D Margolis

Address
PO Box 550109
ATLANTA, GA 30355

FRN
0028240695

Previous call
KO4DIX

Last granted
Jun 1, 2020

Effective
Jun 9, 2023

Last action
Jun 27, 2023
FCC actions (5)
- Jun 27, 2023 — License canceled LICAN
- Jun 9, 2023 — Administrative update LIAUA
- Jun 9, 2020 — Administrative update LIAUA
- Jun 1, 2020 — Vanity call sign granted VANGRT
- Jun 1, 2020 — License issued LIISS
KO4DIX Canceled Technician May 11, 2020 → Jun 1, 2020 (canceled)

Licensee
Joshua D Margolis

Address
PO Box 28341
ATLANTA, GA 30358

FRN
0028240695

Last granted
May 11, 2020

Effective
May 27, 2020

Last action
Jun 1, 2020
FCC actions (4)
- Jun 1, 2020 — License canceled LICAN
- May 27, 2020 — Administrative update LIAUA
- May 11, 2020 — License issued LIISS
- May 11, 2020 — 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 → Oct 4, 2026 · 24 snapshots · as WJ0SHM
Joshua D Margolis
PO Box 550109
ATLANTA, GA 30355
Seen Apr 16, 2022 → Oct 4, 2026 · 14 snapshots · as KO4DIX
Joshua D Margolis
PO Box 28341
ATLANTA, GA 30358

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Jun 8, 2023 Granted Jun 27, 2023 0010577580	WJ0SHM · Joshua D Margolis · Technician PO Box 550109 · ATLANTA, GA 30355	1.N8JDM ✓ granted	Granted got N8JDM
Filed May 14, 2020 Granted Jun 1, 2020 0009078231	KO4DIX · Joshua D Margolis · Technician 18 BRANDON RIDGE DR, ATLANTA, GA 30328-2136 33.9333, -84.3867 (ZIP center) · Grid EM73tw · CQ 5 · ITU 8 · map ↗	1.WJ0SHM ✓ granted 2.KJ0SHM 3.WH1SPR	Granted got WJ0SHM