N9TPB FCC License Search

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

AC0YC HAM

✅ Available for a vanity request — free since Apr 27, 2018.

2x2 call: only 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 Apr 27, 2018

Previous holder: MARC S HILDEBRANT

Held AC0YC Apr 17, 2007 → Apr 26, 2016 · first licensed Dec 31, 2002 as KG0SB · 3 licenses · FRN 0008103038

AB1ZK Active Amateur Extra Apr 26, 2016 → expires Jul 9, 2027

Licensee
MARC S HILDEBRANT

Address
PO Box 68
5 MERCHANT AVE
WEST DENNIS, MA 02670
41.6578, -70.1803 (street) · Grid FN41vp · CQ 5 · ITU 8 · map ↗

FRN
0008103038

Previous call
AC0YC (Advanced)

Last granted
Apr 12, 2017

Effective
Apr 12, 2017

Last action
Apr 12, 2017
FCC actions (5)
- Apr 12, 2017 — License renewed LIREN
- Jul 12, 2016 — Authorization printed AUTHPR
- Jul 11, 2016 — FCC action INTDUP
- Apr 26, 2016 — Systematic call sign granted SYSGRT
- Apr 26, 2016 — License issued LIISS
📦 Moved: Eagan, MN → West Dennis, MA

AC0YC Canceled Amateur Extra Apr 17, 2007 → Apr 26, 2016 (canceled)

Licensee
MARC S HILDEBRANT

Address
Attn: MARC HILDEBRANT
PO Box 68
5 MERCHANT AVE
WEST DENNIS, MA 02670
41.6578, -70.1803 (street) · Grid FN41vp · CQ 5 · ITU 8 · map ↗

FRN
0008103038

Previous call
KG0SB (Advanced)

Last granted
Apr 17, 2007

Effective
Nov 10, 2011

Last action
Apr 26, 2016
FCC actions (3)
- Apr 26, 2016 — License canceled LICAN
- Nov 10, 2011 — Systematic call sign granted SYSGRT
- Nov 10, 2011 — License issued LIISS
KG0SB Canceled Amateur Extra Dec 31, 2002 → Nov 10, 2011 (canceled)

Licensee
MARC S HILDEBRANT

Address
3695 Birchpond Road
Eagan, MN 55122
44.8010, -93.1954 (ZIP center) · Grid EN34jt · CQ 4 · ITU 7 · map ↗

FRN
0008103038

Last granted
Apr 17, 2007

Effective
Nov 10, 2011

Last action
Nov 10, 2011
FCC actions (4)
- Nov 10, 2011 — License canceled LICAN
- Nov 28, 2010 — Administrative update LIAUA
- Apr 17, 2007 — License renewed LIREN
- Dec 31, 2002 — Administrative update LIAUA

Address history

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

Seen Jun 30, 2016 → Oct 4, 2026 · 52 snapshots · as AC0YC
MARC S HILDEBRANT
Attn: MARC HILDEBRANT
PO Box 68
5 MERCHANT AVE, WEST DENNIS, MA 02670
41.6578, -70.1803 (street) · Grid FN41vp · CQ 5 · ITU 8 · map ↗
Seen Oct 17, 2011 → Oct 4, 2026 · 64 snapshots · as KG0SB
MARC S HILDEBRANT
3695 Birchpond Road, Eagan, MN 55122
44.8010, -93.1954 (ZIP center) · Grid EN34jt · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 → May 27, 2010 · 2 snapshots · as KG0SB
MARC S HILDEBRANT
2408 MALLARD CIRCLE, LONGMONT, CO 80504
40.1656, -105.0292 (ZIP center) · Grid DN70ld · CQ 4 · ITU 7 · map ↗

Others requesting AC0YC

1 application listed AC0YC as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
May 15, 2023	Jun 2, 2023	N7AQP · YVONNE S COOPMANS · Grand Junction, CO	2	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for AC0YC in the last 24 hours. They show up here within seconds of AC0YC beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.