Kevin37 For handheld operation, a large antenna is required. Is it possible to use a high-power repeater and create an automatic star tracker antenna? If the handheld connects to the repeater, wouldn't that allow for long-term, high-quality communication?
Yuluoxk Kevin37 Satellites are essentially relay stations. Using a repeater to achieve this seems overly complicated, and there's also the risk of harmful interference. Instead, you could use an automatic tracking system on a mount, which would allow you to connect directly to the satellite just like using a traditional handheld radio.
BH7HQT Kevin37 第一，打卫星需要的是高收发增益，大部分卫星中继台功率是mW级别，因此需要使用八木等天线和寻找高处无遮蔽位置，同时会使用云台等进行追星，自动寻星的云台已经被很多友台使用。 第二，单纯堆功率可能导致卫星转发器拒绝工作，甚至是损坏卫星转发器，强烈抵制各种无脑堆功率行为。 第三，地面台打星需要考虑多普勒效应，大部分中继台不存在此功能，无法持续性调谐，而且收发异段，中继配置会很艰难。 第四，中继台需要特殊手续办理。
BG6DRU Currently, there are fully automated Star Cloud observation systems available in China. All you need to do is speak using PTT (Private Telephony).
Kevin37 BG6DRU Is it possible to remotely connect to someone else's telescope and observe the stars?😄
Yuluoxk Kevin37 The IC9700 can be remotely controlled. You can purchase one and connect it to a mount for automatic satellite tracking, and use other devices to remotely disconnect from the uplink. The main issue is the higher cost; I'm not sure if you can accept that.
Yuluoxk Kevin37 The total cost for a good-quality mount and antenna set should be around 10,000 yuan/RMB. The final product should cost around $2,000.
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