[PSUBS-MAILIST] OTS comms headset.

Fri Nov 20 12:52:37 EST 2020

David, if you follow aircraft practice set it up so that you have to push that button in order to talk to topside and when you release it then you're free to talk to the passenger.
Just my two cents worth
Keith T
-------- Original message --------From: David Colombo via Personal_Submersibles <personal_submersibles at psubs.org> Date: 11/20/20  9:25 AM  (GMT-08:00) To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> Subject: Re: [PSUBS-MAILIST] OTS comms headset. 
Alec, in the SeaQuestor, I figured that I would have the same problem with the separation of the pilot and passenger, so I am adapting a wireless headset used by motorcycle riders so that we can communicate while wearing the headsets, and I can still hear topside. I am adding a switch that cuts the boom mic to the topside while letting me speak to the passenger. If topside calls, flip the switch and the boom mic becomes active to the comms. At least that is the plan anyway.
Best Regards,
David Colombo

804 College Ave
Santa Rosa, CA. 95404
(707) 536-1424
www.SeaQuestor.com

On Fri, Nov 20, 2020 at 8:21 AM Alec Smyth via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
My gripe with the headset is that in a 2 person, if you have the headset on you can’t chat with the crew, and if you take it off for that reason you can’t hear when the surface calls. I use a little adapter box that has input from a hand mike, and output to a tiny Radio Shack amp about the size of a pack of cigarettes. A similar adapter is used on the surface, but in that case input and output are to ordinary headset with boom mic. I use SSB-2010 units both in the sub and on the surface.
Best,Alec

On Nov 20, 2020, at 8:55 AM, Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

        David, let Hank have it.  I'm in the process of providing an open-source DIY version of my SEM project to the group as a community contribution so don't want to take advantage of the situation and "sell" it to you then make it available to everyone else for free a month later.  As well, I find the OTS headset overly heavy and bulky especially within the confines of the submarine.  That's one reason I'm interested in a lightweight alternative.
Jon

                    On Thursday, November 19, 2020, 06:31:03 PM EST, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

        David, if you are selling the head set I will take itHank

                    On Thursday, November 19, 2020, 2:28:42 PM MST, David Colombo via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

                Bid and bid fast.
On Thu, Nov 19, 2020, 1:00 PM David Colombo <seaquestor at gmail.com> wrote:
Jon, I might have an extra OTS headset. I had 6 at one point. Wanna trade for one of your electronic goodies??
Best Regards,
David Colombo

804 College Ave
Santa Rosa, CA. 95404
(707) 536-1424
www.SeaQuestor.com

On Wed, Nov 18, 2020 at 9:18 PM Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

        Nice score Sean.  That is an excellent price point for that unit second hand.
Alan, I, and a few others have discussed a DIY conversion in the past.  There's nothing magical about the OTS headset and microphone so should be many possibilities to use off the shelf "gamer" headsets as a replacement.  I plan on doing this with the STX-101 since I intend to use it with a headset inside the submarine, however I am not going to pay $460 for the OTS headset.
We have talked to OTS in the past and they were not willing to provide PSUBS with a discount.  Likewise, I personally spoke with the owner of DiveLink years ago and he flat out told me, no discounts.
Jon

                    On Wednesday, November 18, 2020, 06:56:16 PM EST, irox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

                Congrats on the price (compared to new anyway)!
The $730 price tag for the CDK-6 is a bit tough to swallow.  The transducer extension cable is $270, sothat's $460 for the head phones, microphone and headset connector...
If we could source (or design) a compatible connector we could potentially save $100s by building out ownsurface conversion kits.   Since the transducer extension cable comes in a 55' length, it would be used tomake many conversion kits.  For the connectors, if they are for using inside the sub, they don't need to bepressure resistant connectors, they just have to work properly, if not thing is available off-the-shelf we coulddesign and 3D print a compatible connector.  But for the end attaching to the transducer we would definitelyneed something that is pressure resistant.  Might not be feasible, but given I'll likely have to buy two CDK-6sets it seems worth exploring.
Has anybody talked to OTS about psubs?  Might they be interested in helping us?  
Cheers!  Ian.

-----Original Message-----

From: "Sean T. Stevenson via Personal_Submersibles" 

Sent: Nov 18, 2020 12:24 PM

To: personal_submersibles at psubs.org

Subject: Re: [PSUBS-MAILIST] OTS comms

It was me.  Having a second unit will allow me to test them against each other now to see if I inadvertently bought a dud.

That said, now I need to decide whether I want to buy a CDK-6 conversion kit to gain wireless 1:1 surface to diver capability, or upgrade my second FFM with comms for wireless 1:1 diver to diver capability.  I already have hardwire surface to diver comms, so I'm leaning towards the latter.  

This is getting to be an expensive experiment.

Sean

-------- Original Message --------
On Nov. 18, 2020, 11:41, irox via Personal_Submersibles < personal_submersibles at psubs.org> wrote:

Did somebody on psubs get it?  
It ended up selling for $485.00, which seems like a great deal compared to the other offerings.
Ian.

-----Original Message-----

From: David Colombo via Personal_Submersibles 

Sent: Nov 12, 2020 4:56 PM

To: Personal Submersibles General Discussion 

Subject: Re: [PSUBS-MAILIST] OTS comms

Hi Sean,I might next week. I will let you know if I do. I will ultimately need one for the SeaQuestor, since I borrowed it for the yellow sub. 
Best Regards,
David Colombo

804 College Ave
Santa Rosa, CA. 95404
(707) 536-1424
www.SeaQuestor.com

On Thu, Nov 12, 2020 at 6:14 AM Sean T. Stevenson via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
David, are you bidding? Otherwise I will, again maxing out at about 1/2 of MSRP.

Sean

-------- Original Message --------
On Nov. 12, 2020, 06:51, Jon Wallace via Personal_Submersibles < personal_submersibles at psubs.org> wrote:

        For anyone looking and wanting to coordinate with others, I just got notification of this unit on Ebay.

Ocean Technology Systems Aquacom SSB-2010  | eBay

$1.00Ocean Technology Systems Aquacom SSB-2010  | eBayUp for grabs is a really clean SSB-2010 transceiver. Not the smaller, less powerful buddy phone.

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