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Old 08-01-2018, 20:33   #1
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Cell Phone Question

Hi!
How are you?
Which cell phone does Aquaman use when he's underwater? j/k
Seriously, though, which thread has already explained which phone is the best to have at sea or are there any books for beginners that explain electronics at sea?

Thank you in advance. I appreciate any help. Have a happy day!
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Old 09-01-2018, 05:15   #2
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Re: Cell Phone Question

If Aquaman can communicate telepathically, why would he need a cell phone?
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Old 09-01-2018, 06:49   #3
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Re: Cell Phone Question

Fritz Springmeier's book says that they have already made a human who can breathe underwater like Aquaman, so I needed to call him.
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Old 09-01-2018, 06:57   #4
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Re: Cell Phone Question

When you ask which cell phone is best to use at sea do you mean far out in the ocean or just on a boat close to shore?

No regular cell phone will work more than a few miles from the coast. In my experience you will lose the signal at 4-5 miles offshore. If you need communication farther offshore than this you will need to go with long range radio (like Ham radio or a marine SSB) or a satellite phone.
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Old 09-01-2018, 08:19   #5
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Re: Cell Phone Question

I believe aquaman uses this phone when he needs to chat with mere mortals.

https://www.catphones.com/en_gb/feat...rproof-phones/
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Old 10-01-2018, 04:14   #6
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Re: Cell Phone Question

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I believe aquaman uses this phone when he needs to chat with mere mortals.

https://www.catphones.com/en_gb/feat...rproof-phones/
Now we're talking. Thank you.
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Old 10-01-2018, 06:50   #7
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Re: Cell Phone Question

I have been using a Sony experia since they started as they were the only "waterproof" phone available locally.
The newest Samsung Galaxy is now as well.
Keep in mind the idea is they are OK for rain and accidental dunking but aren't designed to take snorkeling or swimming.
I've gone through a couple now, never broke just upgrading. I have had them in rain, dropped in puddles, had it in my pocket while launching the boat. Ect. Never had a problem
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Old 10-01-2018, 06:59   #8
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Re: Cell Phone Question

the cat phone is rated to 3 meters underwater but I have not tested that claim.
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Old 10-01-2018, 07:03   #9
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Re: Cell Phone Question

I used a Nokia dumb fone for many years, literally till the case wore thru. Kept it in my pocket in a zip lock snack bag (just the right size). When the zip lock got a little worn I replaced it (usually about 2 months.

This solution is uber cheap and works well. I have field tested the zip lock by falling of off docks/boats/dinghys. I grab the phone and lift it out of the water...zip lock is enough to keep it dry at least that long.

The zip lock is also way less bulky than any commercial solution Ive tried. And, no need to remove phone to use it. The touch screen on my fancy new smart fone even works thru the zip lock.
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Old 10-01-2018, 07:05   #10
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Re: Cell Phone Question

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Now we're talking. Thank you.
Did you see my previous answer? Is it possible to clarify what kind of information you're looking for? Just a water proof cell phone or some way to communicate when out at sea? Or is this just a light hearted discussion of Aquaman and no real interest in current, actual technology?
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Old 10-01-2018, 13:47   #11
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Re: Cell Phone Question

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Did you see my previous answer? Is it possible to clarify what kind of information you're looking for? Just a water proof cell phone or some way to communicate when out at sea? Or is this just a light hearted discussion of Aquaman and no real interest in current, actual technology?
I was interested in what you wrote about, so thank you and thank you to everyone who has helped.

I'm also interested in which underwater technology the military uses and what the most sophisticated technology for sea is that they use in the underwater cities.
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Old 10-01-2018, 17:10   #12
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Re: Cell Phone Question

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I was interested in what you wrote about, so thank you and thank you to everyone who has helped.

I'm also interested in which underwater technology the military uses and what the most sophisticated technology for sea is that they use in the underwater cities.
The state of the art is communication technology used by nuclear subs. The only kind of radio waves that penetrate sea water more than a few meters are ELF transmissions. No that's nothing to do with The Lord of the Rings, that's the acronym for Extremely Low Frequency, typically 3-30 Hz. The problem with ELF is extremely low frequencies also have extremely low bandwidth. Meaning it takes a long time to transmit even a text message.
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Old 10-01-2018, 17:21   #13
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Re: Cell Phone Question

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Originally Posted by Melissa36 View Post
I was interested in what you wrote about, so thank you and thank you to everyone who has helped.

I'm also interested in which underwater technology the military uses and what the most sophisticated technology for sea is that they use in the underwater cities.
If you want to communicate between two underwater locations the best option is a fiber optic cable. Acoustic waves propagate quite well underwater as well so direct voice transmissions are possible. Of course one needs to consider the impact on marine life when transmitting amplified sound waves.
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Old 11-01-2018, 03:04   #14
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Re: Cell Phone Question

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The state of the art is communication technology used by nuclear subs. The only kind of radio waves that penetrate sea water more than a few meters are ELF transmissions.
Deployable satellite antenna and transceiver. Cheating perhaps as it doesn't actually go through the water but it is the current state of the art.
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Old 11-01-2018, 04:34   #15
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Re: Cell Phone Question

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Deployable satellite antenna and transceiver. Cheating perhaps as it doesn't actually go through the water but it is the current state of the art.
Yes there is the deployable system. For some reason I didn't think about mentioning that option, probably because the subs don't often use it as it requires coming closer to the surface and risk of detection. For an undersea city I guess detection concerns would be moot.
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