BG5BJM Specifically refers to amateur radio stations, and "active" is defined as having communication activity within the last six months. The number of B-class licenses is estimated to be over 30,000; does that mean there are at least 5,000 active users?
BG5BJM In the 2024 May Day celebration, 1978 domestic call signs participated in the event. In 2025, 3382 domestic callsigns participated in the event. Therefore, I estimate that there are at most 4,000 active radio stations.
VR2WBZ BG5BJM However, some radio stations didn't participate in the event, and my callsign, BD7PTZ, did not participate either.
BD8CCU Around September last year, I took some time to explore LOTW and registered as a user. There were 3626 Chinese radio stations listed among the registered users, but after removing those with "by" or containing "/", there remained 3283. The number should be slightly higher now, but not significantly so. If you're interested, you can check it yourself.Let's take a look.
BG5BJM BD8CCU There are also many people who use other platforms and tools instead of LOTW, but remain active in the community without ever registering. The actual number should be slightly higher than this figure.
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