🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 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
KR4MWW HAM
⏳
Not available yet — opens for vanity requests
Jul 11, 2028 , two years after the license was canceled (Jul 10, 2026).
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
Previous holder: Mark W Watkins
Held KR4MWW Mar 24, 2026 → Jul 10, 2026
· first licensed Feb 27, 2026 as KR4KDQ
· 3 licenses · FRN 0036883874
W4KNS
Active
General · vanity
Jul 10, 2026 → expires Jul 10, 2036
Licensee Mark W Watkins
Address 3100 N Rio Grande Ave Orlando, FL 32804-3526
28.5793, -81.4020 (street) · Grid
EL98hn · CQ 5 · ITU 8 ·
map ↗
FRN 0036883874
Previous call KR4MWW (Technician)
Last granted Jul 10, 2026
Effective Jul 10, 2026
Last action Jul 10, 2026
FCC actions (2)
Jul 10, 2026 — Vanity call sign granted VANGRT Jul 10, 2026 — License issued LIISS
KR4MWW
Canceled
General · vanity
Mar 24, 2026 → Jul 10, 2026 (canceled)
Licensee Mark W Watkins
Address 3100 N Rio Grande Ave Orlando, FL 32804-3526
28.5793, -81.4020 (street) · Grid
EL98hn · CQ 5 · ITU 8 ·
map ↗
FRN 0036883874
Previous call KR4KDQ (Technician)
Last granted Mar 24, 2026
Effective May 7, 2026
Last action Jul 10, 2026
FCC actions (4)
Jul 10, 2026 — License canceled LICAN May 7, 2026 — License modified LIMOD Mar 24, 2026 — Vanity call sign granted VANGRT Mar 24, 2026 — License issued LIISS
KR4KDQ
Canceled
Technician
Feb 27, 2026 → Mar 24, 2026 (canceled)
Licensee Mark W Watkins
Address 3100 N Rio Grande Ave Orlando, FL 32804-3526
28.5793, -81.4020 (street) · Grid
EL98hn · CQ 5 · ITU 8 ·
map ↗
FRN 0036883874
Last granted Feb 27, 2026
Effective Feb 27, 2026
Last action Mar 24, 2026
FCC actions (3)
Mar 24, 2026 — License canceled LICAN Feb 27, 2026 — License issued LIISS Feb 27, 2026 — 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 Sep 27, 2026 → Oct 4, 2026 · 6 snapshots · as KR4KDQ
Mark W Watkins
3100 N Rio Grande Ave, Orlando, FL 32804-3526
28.5793, -81.4020 (street) · Grid
EL98hn · CQ 5 · ITU 8 ·
map ↗
Others requesting KR4MWW
1 application listed KR4MWW as a choice, newest first.
Filed Award Applicant Choice # Status
Mar 4, 2026
Mar 22, 2026
KR4KDQ · Mark W Watkins · Orlando, FL
1 Granted
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KR4MWW in the last 24 hours. They show up here within seconds of KR4MWW beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
Data: FCC Universal Licensing System (amateur & GMRS), NetLogger and more · site status
n9tpb.com · 73 de N9TPB