When writing about Postcrossing, I remembered that I had written a more detailed article on how to send and receive letters and postcards through the postal service. I hope this will also be helpful for other hams when sending QSL cards. However, since I am not an expert in this area, the article is based solely on my experience, so I would appreciate any corrections or suggestions.
The article is in https://chariri.moe/archives/2041/send-a-mail-and-postcrossing/#how-to-send-a-mail
(Can I use tags like "submission" or "original content" when linking to my own blog posts?)
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