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Re: [TenTec] Orion Interface Options

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Orion Interface Options
From: "Martin Sole (HS0ZED)" <martin@hs0zed.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sun, 15 Mar 2015 06:14:50 +0300
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
For FSK I use a 3 transistor interface from a serial port to the Orion. One transistor is used for CW keying and the other for FSK, the third is the PTT transistor needed for FSK. I think the specifics were in the N1MM contest logging program documentation.

Use pretty pretty much any simple switching type transistors and a few other small parts, resistors and diodes. Too easy to not work.

Martin, HS0ZED


On 14/03/2015 21:49, Bill Gaines wrote:
I have an Orion 565 and in addition to mostly operating CW I do use the radio 
for RTTY using FSK. My question (in a minute) is not to generate a debate on 
the pros and cons of RTTY using FSK or AFSK. I learned RTTY some 45 years ago 
on the old machines and was brought up on FSK so that is what I wish to stay 
with. My debacle is this. For several years now I have had two rather expensive 
interfaces that I have used (two of the same make and model). The first one 
failed as a result of a nearby lightening strike and the second just failed 
because (you fill in the blank). I am tired of getting a second mortgage for a 
piece of equipment. What products in use seem to be most popular? I do want 
something that will allow mw to use CW and RTTY. I am not interested in the 
other various digital modes at this time although I would guess that they all 
do most of the same things. Maybe I will need a second mortgage after all.

Thanks in advance,

Bill AD8P

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