Underwater Data Communication
So let's hit off this discussion.
We need to send data underwater. The range of the data we are transmitting will be under 10 feet. Data transmission underwater is rather difficult for long ranges, but it seems like we should be ok.
We have all but decided on a radio transmission system. The following article talks all about a radio system developed for a very similar task:
Feel free to read it, I found it to be helpful.
Post your thoughts. We need to figure out exactly how we will be testing either this or something else.