Hard top dodger

[jssailem]

you never know

SO True.
Have you considered one of the many anchor alarm systems on chart plotters, phones, pads, or tablets? I have used them (often with two backups - belt and suspenders ) with successful sleep in 60mph winds, even though the anchorage was sheltered. We danced about 50 yards in a semi-circle at the end of our rode, but not outside the electronic circle I had established. The horn attached to the electronic guard will wake the dead.

 

[Irek]

Hey guys
Yes I tried all of them. The big issue for me is power consumption. My house bank is 300 Ahrs, but with the evening consumption and overnight use of MFD battery seems to be melting away. In case of the system I am designing the only consumption should be on the cellphone or special battery operated receiver (LoRa or WiFi or VHF)./ik