是不是提升业余无线电通讯速率已不是刚需？

@"BH6ABO"#p18080 如果没记错的话，应该是以节约频谱资源为主。

可以列举一下你想要的宽带通信模式 GPS用的DFSS，或者跳频通信？

Why are amateur radio operators still primarily using narrowband systems?

Has the need to improve amateur radio communication rates no longer become a top priority?

BH6ABO If I'm not mistaken, the primary focus should be on conserving spectrum resources.

You can list the broadband communication modes you are interested in.
Is DFSS used with GPS, or is it a frequency-hopping communication system?

低频段给划分的带宽不够，高频段的话，距离短、需要自制设备，对技术和资金都有要求。况且还得找到同样有钱有技术的一起玩。

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是无线电，把我们联系在一起