Digital Mode Update
Charley Scarborough
During the digital test Dennis and I did a while back, the CAT cable connecting my laptop to my radio kept loosing registration. This meant I could listen okay, but all of the sudden I could no longer control PTT. Very frustrating when you want to say something, but it's even worse when you're transmitting and can't tell the radio to go back into receive mode. After some trouble shooting with the cable on another computer it became obvious the cable was toast and I started searching for a replacement. This lead me to the www.xggcomms.com solution I posted about after the test and I was about to order a couple of cables for my two radios when the guy went on vacation for two weeks.
With additional time on my hands I decided to so some more searching, cause a payment wasn't needed for a while. I came across a very good set of reviews on eham, http://www.eham.net/reviews/detail/1456, and decided to investigate further. Turns out I didn't need a CAT cable at all. I just needed someone who knew how to build the proper radio interface, so I ordered this yesterday: http://www.g3liv.co.uk/page11.html. Instead of two smart cables, it puts all the smarts in one box and uses two dumb cables to simultaneously connect to two radios via a USB port and sound card. It has a switch to select which radio you want to use at the moment and attenuators to properly adjust the audio levels for each radio so you don't have to remember what slider-bar levels work with which radio. I'll probably do most of my digital work on the QRP radio, but will now have the option to increase power levels should 5W turn out to just not be getting through.
Should be ready for another test in a couple of weeks to see what the difference is.
c.
Robert Joseph Glaser
Faith leads to the answer.
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Charley Scarborough
I get the impression you're putting together a WinLink 2000 setup
to get email via radio. Last time I looked into this it
necessitated the purchase of the proprietary PACTOR modem. Those
with enough money went with the PACTOR III option, which cost
around $1200 the last time I looked. For what it's worth, Fldigi
appears to offer most of what WinLink 2000 did plus a lot more by
using your computer sound card and free software. As you might
imagine, this has made many folks want to know a lot more about
Fldigi and many emergency communications groups have made it their
standard emcomm digital radio interface. Of course, one must
still obtain some kinda cabling to connect the radio to the
computer, which is what Dennis and I have done. Doubt either of
us or most hams would have been willing to pursue the PACTOR III
option for what it's worth.
So I'll put the cable ordering on hold.
Faith leads to the answer.
Robert Joseph Glaser
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Charley Scarborough
Received my G3LIV interface Thursday and believe I got it working
with my QRP radio this morning. Still need to work on the
TS-2000. Was wondering if it's time for another digital test?
Seems like Bob's indicated he'll be working at net time for a
while? If true, we could try 3,570kHz morning and 7,070kHz
afternoon nets on Wednesday? LSB voice seems to be pretty iffy
lately and maybe QPSK31 on USB is what we need to break through
the muck. What do you think?
Dennis
I was getting ready to email you because I will not be available on Wednesday. Do you want to run the show or should we cancel?
Yes, LSB voice has not been much use lately.
I am free during the day Monday to try a digital test. Pick a time and frequency and I will be there. The remainder of the week I will not be available.
Thanks,
Dennis
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Charley Scarborough
I agree on canceling Wednesdays net, unless Bob wants to give something a try.
How about QPSK31, USB on 7070kHz at Monday 2PM MT, 3PM CT?
Dennis
Dennis
Robert Joseph Glaser
Faith leads to the answer.
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