I googled around and came to Don AA5AU's page and was reminded of
EXTFSK ... I gather this will let me use just about any USB-serial
adapter for RTTY? Does it also support 75-baud?
No.
Seems like it was limited to only 45.45 at one point but was it maybe
updated recently?
ETFSK64 (EXTFSK2) http://www.qsl.net/ja7ude/extfsk/indexe.html *IF* you
have a processor with at least four execution units (eight "CPUs" in
Resource Monitor or eight "Processors" in Windows Device Manager).
73,
... Joe, W4TV
On 10/25/2017 10:31 PM, Peter Laws wrote:
So I ended up getting a tall i3 and a 16-GB SODIMM (leaving me a slot
for another one just like it down the road). The 40-GB 2.5" SSD I
had turned out to be ... not really big enough for W10. Yes, I got
rid of hiberfil.sys and removed a bunch of other stuff and had about
18 GB free when I was done but I could see this would be a pain point
in the future so picked up a 120 GB SanDisk at the local Blue Polo and
Khaki place. I thought about a "certified refurb" but the fact that
the NUCs will run on 12 V dc realllllly got my attention. I'll need
to get a 12 V dc-capable display at some point, but that's later.
Now my problem is that the NUC has no serial ports. I *knew* this but
hadn't *thought* about it if you know what I mean. I have a Siig
4-port serial to USB adapter (no idea which chipset) and, I think a
single port Keyspan (no idea there either) somewhere but then there's
the UART-not-liking-45.45-baud thing. I googled around and came to
Don AA5AU's page and was reminded of EXTFSK ... I gather this will let
me use just about any USB-serial adapter for RTTY? Does it also
support 75-baud? Seems like it was limited to only 45.45 at one point
but was it maybe updated recently?
Enquiring minds want to know! And I know Chen's opinion of hard-keyed
FSK ... :-D The serial line will then go to the RigBlaster+ and then
to the IC-746Pro.
Peter
On Sun, Oct 1, 2017 at 12:29 PM, Jeff Stai <wk6i.jeff@gmail.com> wrote:
Another option is to purchase one of the many PCs coming off lease and are
refurbished. You can find these on Amazon, Newegg, and so on. With these
units you have the opportunity to stay at Win7 if you wish, they often have
a native serial port, support for two monitors, and have some flavor of PCI
card slot under the hood. Prices can be under $200, even. Have fun! - jeff
wk6i
On Sat, Sep 30, 2017 at 1:40 PM, Peter Laws <plaws0@gmail.com> wrote:
I've been dancing around replacing the PC at N5UWY (2006 Dell Precision
670
with a Xeon or two - I forget - and 16 GB RAM) for quite some time now but
have now been introduced to Intel's little NUC boxes. If you don't mind a
Celery processor, they're really cheap. As soon as you make the jump to a
Core i3 (or i5 or i7), the price jumps up a lot but still +/-$300 if you
don't go nuts.
Some cases have room for a 2.5" disk, some don't. No room inside for
"cards" but no one cares. Some do have MB headers for serial ports if you
are desperate. Plenty of USB 2 and 3 and DP/Thunderbolt and HDMI and SATA
connectors depending on which version you get. These things also run on
"12-19 V dc", which opens up interesting possibilities.
So my question is this ... how much of the processing for RTTY is done by
the sound device (avoiding $0.99 USB dongles) and how much is done by the
CPU? Will their least expensive Core i3 be adequate? I'm assuming the
answer is yes but really need more expert advice. What about for more
DSP-intensive stuff like the JT modes?
Here's an example:
https://www.newegg.com/Product/Product.aspx?Item=56-102-168
--
Peter Laws | N5UWY | plaws plaws net | Travel by Train!
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Twisted Oak Winery ~ http://www.twistedoak.com/
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