🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 11, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)
From scanned copies of the printed callbooks (government lists from 1913, then the Radio Amateur Callbook to 1997), read by OCR, so names and streets can carry typos. Each line is one or more editions in a row showing the same name at the same address.
1988 · 1 edition KL4AK · class A
Philip Knoll 3121 Coral Ridge Dr, Coral Springs, FL 33065 Winter 1988 p.403
1985 · 1 edition KL4AK
· later WW4F
Wilbur C Dem~sey Winter 1985 p.396
Others Requesting KL4AK
1 application listed KL4AK as a choice, newest first.
No APRS positions, PSK Reporter reports or WSPR spots for KL4AK in the last 24 hours. They show up here within seconds of KL4AK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
● confirmed on the air · ● probably · ● reported off the air · ● unknown · ◉ this license · ring = 50 miles · center is the ZIP code (approximate) · click a dot for the repeater's page
● confirmed on the air · ● probably · ● reported off the air · no dot = unknown (hover a dot for the evidence)