BH3PTS What's the budget? And where is the QTH located? Currently, the finished machines seem to only come with the European version of the icom 7610. Most of them are homemade devices, with a difficulty level less than that of shortwave radios.
Applepi BH3PTS QTH Zhejiang I find it more difficult to set up and maintain the receiving device compared to the transmitting device. I previously built a 50W test bench for technical verification, which cost less than 100 yuan.
Ken Previously discussed: https://forum.hamcq.cn/d/3783 If you're just starting out, you could first use a De Sheng radio to listen to the long-wave broadcasts of the original Dongshan Group.
BH3PTS Applepi They have excellent self-manufacturing capabilities; for example, the JUMA TX136 costs less than $1000.
BG5ELQ Applepi Notification from the Zhejiang Provincial Department of Economy and Information Technology Regarding Proper Management of Amateur Radio Stations Hello, the maximum transmit power limit is 1W, not EIRP.
Applepi BG5ELQ Thank you for the reminder. The test QTH is not in Zhejiang province, and it's a test under simulated load conditions.
BI1NIZ By the way, the US version of the 705 can be hacked to achieve 136k. Compared to the equipment, shouldn't you be thinking about how the antenna should be set up? After all, you can't use a full-sized one, which would be inefficient. Otherwise, FST4W could become a problem.
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