🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 11, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)
WP4CAY HAM
✅ Never issued — WP4CAY isn't in the FCC's public license data (which starts in 1999) or the 1993–2003 callbooks, and nothing in it blocks a vanity request. Calls like this are usually granted when requested.
2x3 call: any licensee can request it.
No pending applications list it.
The FCC has no record of WP4CAY ever being issued.
WP4CAY in the Printed Callbooks, 1909–1997
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.
1991 · 1 edition WP4CAY · class G
Gerardo A Martinez Pob 170, Puerto Real Pr Od740 Winter 1991 p.451
1989 → 1990 · 2 editions WP4CAY · class G
Gerardo A Martinez Pob 270, Puerto Real Pr D0648 Winter 1989 p.422, Winter 1990 p.422
1988 · 1 edition WP4CAY · class T
Gerardo A Martinez Pob 902, Fajordo, PR 00648 Winter 1988 p.422
1987 · 1 edition WP4CAY · class T
Gerardo A Martinez Pob 901, Fajardo Pr 00&48 Winter 1987 p.412
1986 · 1 edition WP4CAY · class T
Gerardo A Martinez Pos 902, Fajordo, PR 00648 Winter 1986 p.413
1985 · 1 edition WP4CAY · class T
Gerardo A Martinez Pob 902, Fajardo Pr 00&48 Winter 1985 p.415
1984 · 1 edition WP4CAY · class T
Gerardo A Martinez Pob 901, Fajordo Pr 00o4b Cutler Ridge, FL 33157 Winter 1984 p.419
None → 1983 · 2 editions WP4CAY · class T
Gerardo A Martinez Pob 902, Fajordo, PR 00648 None p.332, Winter 1983 p.407