ITU-R F: Fixed service
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ITU-R F Fixed service F.106 The use of diversity for voice-frequency telegraphy on HF radio circuits F.162 Use of directional transmitting antennas in the fixed service operating in bands below about 30 MHz F.240 Signal-to-interference protection ratios for various classes of emission in the fixed service below about 30 MHz F.246 Frequency-shift […]
