[DSP-10] Another DSP-10 now Operative

[Richard Ewing]

Don,

Go to :  http://home.teleport.com/~oldaker/dsp10_repository.htm

I made a command summery sheet, actually revised and updated the original 
work of STeve Bible.  In word doc and acro  pdf formats.

73  de KO7N


At 09:41 PM 2/21/2003 -0600, you wrote:
>Thanks Roger KA7EXM, Bob W7PUA and Jimmy W7CQ for the replies to my
>query a few days ago -- my DSP-10 is now fully operative as far as I
>can tell.  I had my first two QSOs on it during the checkout, one on
>FM and another on SSB.  Then I had my wife, W5CSJ, operate it from
>homebase (using an old Ringo Ranger up 18 ft. and a length of very
>old coax) while I drove to a point about 4 miles away, very much NON
>line of sight and got good reception of the 20mw at that distance
>with the mobile rig and with the DSP-10 receiving the mobile signal
>perfectly.
>
>The hints, tips, and problems others have had and solved via this
>reflector and several websites all helped.
>
>Now, I'm still trying to figure out everything all the keyboard
>commands can do.  Been fun using the summary sheet to try almost
>everything.  Next project is the 8 watt brickette.
>
>Just a tip for those who have not built their DSP-10 yet ... in
>mounting the TUF-1 U15 on the bottom side of the board (per Bob's
>modification instructions), carefully take note that the leads should
>be bent at right angle to the body to allow laying it on its side.  I
>neglected to see those few words "pins bent at right angles" until
>after I had mounted the part.  At that point it is next to impossible
>to remove, so I left it inserted straight, but then ran into problems
>with the spacers below the board.  They needed a couple washers to
>increase that space to allow for matching the addition space taken up
>by the TUF-1.  That, in turn, required shortening the spacers between
>the board and the DSP case since the cover would not fit on the
>Hammond enclosure :-)   Live and learn I guess.  No other mistakes.
>
>I have found that a very strong signal on FM will prevent any audio.
>In my case, my 5 watt HT even a 100 ft. away seemed too strong.  My
>40 watt mobile was too strong within about 1/4 mile away.  Is this
>normal operation?
>
>I also found a fairly strong "birdie?" (did not change when antenna
>disconnected) around 147.470 when testing (we use 147.465 for local
>simplex).
>
>All in all, looks like what I have thought all along ... a very nice
>transceiver to use as a basis to build upon for weak signal and other
>work.  A lot of work to build, but worth it -- and fun.
>
>I'll be sending some pictures to Beb in a few days.
>
>Thanks again Bob, W7PUA, for making this design, the software, and
>everything else you have provided, available so freely.
>
>73,
>Don AE5K
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