[PSUBS-MAILIST] VAST underwater Comms unit [Was: Facebook pics and posts]

[Sean T. Stevenson via Personal_Submersibles]

At 22 kHz, it looks like they put the acoustic carrier just beyond human audible range (typically 20 Hz - 20 kHz), which makes me wonder if they wanted to keep the frequency as low as possible otherwise, perhaps to maximize range or limit multipath interference?

Sean

-------- Original Message --------
On Nov. 8, 2020, 15:15, Brian Hughes via Personal_Submersibles wrote:

> River has mine for now, checking to see how big a deal or if possible to reverse engineer it. At 22 kHz it's an oddball com system.
>
> Brian
>
> Get [Outlook for Android](https://aka.ms/ghei36)
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