N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 5, 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

WP4MRS HAM

✅ Available for a vanity request — free since Aug 20, 2016.

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 Aug 20, 2016

Previous holder: MARIA D CALERO ALFARO

Held WP4MRS Jun 17, 2004 → Aug 19, 2014 · first licensed Jun 17, 2004 as WP4MRS · 1 license · FRN 0011103116

WP4MRS Expired Technician Jun 17, 2004 → Aug 19, 2014 (expired)

Licensee
MARIA D CALERO ALFARO

Address
BOX 2532
ISABELA, PR 00662
18.4683, -67.0157 (ZIP center) · Grid FK68ll · CQ 8 · ITU 11 · map ↗

FRN
0011103116

Last granted
Jun 17, 2004

Effective
Jun 17, 2004

Last action
Aug 20, 2016
FCC actions (2)
- Aug 20, 2016 — License expired LIEXP
- Jun 17, 2004 — FCC action LITIN

Address history

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

Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as WP4MRS
MARIA D CALERO ALFARO
BOX 2532, ISABELA, PR 00662
18.4683, -67.0157 (ZIP center) · Grid FK68ll · CQ 8 · ITU 11 · map ↗

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for WP4MRS in the last 24 hours. They show up here within seconds of WP4MRS beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.