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

KK0JX HAM

✅ Available for a vanity request — free since Nov 23, 2024.

2x2 call: 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 Nov 23, 2024

Previous holder: Jerry J Mass

Held KK0JX Feb 1, 2005 → Nov 22, 2022 · first licensed May 27, 1998 as KA0LJO · 3 licenses · FRN 0002731925

WN0T Active Amateur Extra · vanity Nov 22, 2022 → expires Nov 22, 2032

Licensee
Jerry J Mass

Address
220 SW 11th Ave.
Cedaredge, CO 81413-4112
38.8900, -107.9306 (street) · Grid DM68av · CQ 4 · ITU 7 · map ↗

FRN
0002731925

Previous call
KK0JX (General)

Last granted
Nov 22, 2022

Effective
Nov 22, 2022

Last action
Nov 22, 2022
FCC actions (2)
- Nov 22, 2022 — Vanity call sign granted VANGRT
- Nov 22, 2022 — License issued LIISS
📦 Moved: Westminster, CO → Cedaredge, CO

KK0JX Canceled Amateur Extra · vanity Feb 1, 2005 → Nov 22, 2022 (canceled)

Licensee
Jerry J Mass

Address
220 SW 11th Ave.
Cedaredge, CO 81413-4112
38.8900, -107.9306 (street) · Grid DM68av · CQ 4 · ITU 7 · map ↗

FRN
0002731925

Previous call
KA0LJO (General)

Last granted
Feb 13, 2015

Effective
Oct 27, 2015

Last action
Nov 22, 2022
FCC actions (5)
- Nov 22, 2022 — License canceled LICAN
- Oct 27, 2015 — Administrative update LIAUA
- Feb 13, 2015 — License renewed LIREN
- Feb 1, 2005 — Vanity call sign granted VANGRT
- Feb 1, 2005 — License issued LIISS
KA0LJO Canceled Amateur Extra May 27, 1998 → Feb 1, 2005 (canceled)

Licensee
Jerry J Mass

Address
Attn: Jerry J Mass
860 W 132nd Ave 98
Westminster, CO 80234-1407
39.9100, -105.0026 (ZIP center) · Grid DM79lv · CQ 4 · ITU 7 · map ↗

FRN
0002731925

Last granted
May 27, 1998

Effective
Jul 20, 2004

Last action
Feb 1, 2005
FCC actions (4)
- Feb 1, 2005 — License canceled LICAN
- Jul 20, 2004 — License modified LIMOD
- Jun 5, 2003 — Administrative update LIAUA
- Nov 19, 1999 — Administrative update LIAUA

Address history

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

Seen Nov 16, 2015 → Oct 4, 2026 · 43 snapshots · as KK0JX
Jerry J Mass
220 SW 11th Ave., Cedaredge, CO 81413-4112
38.8900, -107.9306 (street) · Grid DM68av · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 59 snapshots · as KA0LJO
Jerry J Mass
Attn: Jerry J Mass
860 W 132nd Ave 98, Westminster, CO 80234-1407
39.9100, -105.0026 (ZIP center) · Grid DM79lv · CQ 4 · ITU 7 · map ↗
Seen Mar 28, 2015 → Sep 18, 2015 · 5 snapshots · as KK0JX
Jerry J Mass
PO Box 1141
Montrose, CO 81402-1141

Others requesting KK0JX

1 application listed KK0JX as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jan 14, 2005	Feb 1, 2005	KA0LJO · Jerry J Mass · Westminster, CO	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KK0JX in the last 24 hours. They show up here within seconds of KK0JX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.