BG5CYY I didn't expect to be involved in this situation.😅。
In fact, I think it would be beneficial to also provide some more positive and constructive examples when discussing the role of international call signs. For example, in communities like HelloCQ, I've noticed that several experienced amateur radio operators have been active in multiple countries. They have made significant contributions to cross-border communication within the hobby. Their experiences demonstrate that obtaining multiple call signs is a means, not an end in itself.
To be clear, I would like to start by thanking Mr. Sheng for introducing the FCC exam to China. @BA1AJ . I lived and worked in the United States for two years, operated a station there, and participated in local amateur radio activities. Therefore, my FCC call sign was indeed effective. Unfortunately, I didn't keep records of my communications at the time. I also wrote some articles about American radio (e.g.,This article), which also represents a small but significant achievement in international exchange.
Regarding my Japanese call sign, I applied for it based on an article by a senior member on HelloCQ. Since I had a visa, I wanted to try contacting local HAMs while traveling. However, the requirements for foreign amateur radio operators in Japan who do not intend to reside long-term are quite strict. The license used to have a validity of 1 year, but now it is only valid for 90 days, which makes it somewhat useless. I just see it as a way to experience the spirit of amateur radio.