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ERROR: No data for call OA4EFI/4 found in our database!
The call OA4EFI/4 looks like it could be from

Peru
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Search for OA4EFI/4. Search results: oa4efi : 13, 4 : stopword.
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Results 1 - 2 of 2. (0.017 seconds)
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QRZCQ - The database for radio hams 2026-02-13 06:18:52 UTC Call: Advanced Call: Pass: or Home Login Stream Buddies Chat OnAir Register Logbook Search DX-Tron ★ ARLog2 Ham Maps DX Cluster Search DX Map Hot DX DXpeds Last 24h Users only IOTA only SOTA only VLF only QRP only COTA only YOTA only WWFF only LH only HQ-Stations Field-Day Internal Resources Greyline Timezones DL DOKs Prefixes RU Oblasts IOTA SOTA Repeaters Manuals Mirrors Propinfo BC SWL Forums Articles News RSS Feeds Calendar Media Videos Swapmee...
http://qrzcq.com/log/OA4SS - 245598 bytes
QRZCQ - The database for radio hams 2026-02-03 05:37:07 UTC Call: Advanced Call: Pass: or Home Login Stream Buddies Chat OnAir Register Logbook Search DX-Tron ★ ARLog2 Ham Maps DX Cluster Search DX Map Hot DX DXpeds Last 24h Users only IOTA only SOTA only VLF only QRP only COTA only YOTA only WWFF only LH only HQ-Stations Field-Day Internal Resources Greyline Timezones DL DOKs Prefixes RU Oblasts IOTA SOTA Repeaters Manuals Mirrors Propinfo BC SWL Forums Articles News RSS Feeds Calendar Media Videos Swapmee...
http://qrzcq.com/log/HP3QQ - 297174 bytes
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