I've recently gotten into trying Morse Code using my computer. Here's my problem; No matter how many times I send out a CQ, nobody ever returns my call. I've checked my signal with programs like Reverse Beacon and DX Maps, and my signal is being received by spotters all over the world, with usually strong db. signals. I tried all different settings and frequencies and the only time I've gotten a return is when I spot someone with my callsign. I have to figure I'm doing something wrong, but I can't figure it out. I have no problem with any digital modes or SSB, so I figure it's not a radio problem. I have a magnetic loop receiving antenna, so I know I'm not missing the returns in the noise. Any help would be appreciated.