![Studying the MF/HF radio stations. Their role in GMDSS, main requirements to installation and survey. GMDSS Radio Survey Blog Studying the MF/HF radio stations. Their role in GMDSS, main requirements to installation and survey. GMDSS Radio Survey Blog](https://gmdsstesters.com/images/radio-survey/mf_hf_radio_station.png)
Studying the MF/HF radio stations. Their role in GMDSS, main requirements to installation and survey. GMDSS Radio Survey Blog
JSS-2500 Marine MF/HF GMDSS Radio Transceiver, digital selective calling (DSC) / narrow-band direct printing (NBDP) Modem User Manual Japan Radio .
![Studying the MF/HF radio stations. Their role in GMDSS, main requirements to installation and survey. GMDSS Radio Survey Blog Studying the MF/HF radio stations. Their role in GMDSS, main requirements to installation and survey. GMDSS Radio Survey Blog](https://gmdsstesters.com/images/radio-survey/mf_hf_1.jpg)