BG8AMG A 1.2 GHz machine is definitely needed, as there's no interference from cranes. However, the level of dispersion still needs significant improvement.
P_Lorenzo The transmission actually fell within the shortwave frequency band and reached the 118 aviation frequency band, making it very easy to intercept.
BD4XQH It seems that the main image has been changed, and I can only receive shortwave signals; I cannot transmit. This is likely due to the very low transmission power and significant signal scattering.
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