Думаю многих утомил S52D, зовя вас снова и снова :)
Вот что у него написано на qrz.com:
Sorry for DUPEs: ARRL grid chase want us to do 10 bands, 3 modes QSO with every grid every month. Thus, some DUPEs are unavoidable, please take it with smile and confirm LotW every month.
https://igc.arrl.org/index.php
Last month. Next year I will be do dupes mostly in contests. But, I need points in December!
Quick 2018 FT8 ststs at December 3rd: 33807 LotW cfm QSOs, 9268 calls, 20967 unique call-band.
Так-что ... понять и простить таких :)