<div dir="ltr">Is it possible to use a URIx for freestar yet or do you still need a hardware board for the digital stuff? I know they were working on something for software.</div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Sep 24, 2015 at 8:15 AM, Steve Zingman <span dir="ltr"><<a href="mailto:szingman@msgstor.com" target="_blank">szingman@msgstor.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
Digital needs unfiltered receiver and transmitter audio. I've done
it with D-STAR and DMR. I have only setup a SM-50 as a user radio.<span class="HOEnZb"><font color="#888888"><br>
<br>
Steve</font></span><div><div class="h5"><br>
<br>
<div>On 9/24/2015 10:05 AM, Skyler F wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Well my personal experience with a baofeng node is
really good audio reports, and sometimes better than my motorola
SM-50 discriminator audio. I just use the internal tone decoder
in those baofeng radios for COR.
<div><br>
</div>
<div>Would they not be suitable for DSTAR though?</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Thu, Sep 24, 2015 at 7:41 AM, Steve
Zingman <span dir="ltr"><<a href="mailto:szingman@msgstor.com" target="_blank">szingman@msgstor.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span><br>
<br>
On 9/24/2015 9:30 AM, Skyler Fennell wrote:<br>
</span><span>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Can I have an explanation of why discriminator is needed
for anything but actual digital modulation like 9600
baud?<br>
<br>
To prevent PL tones?<br>
Nope, when plugging in good headsets I can hear the
CTCSS tone from the repeater and even on the baofeng.<br>
<br>
Lack of high frequency noise?<br>
Put a high pass filter<br>
<br>
Someone please explain why discrim is needed. Good audio
is good audio and can't it be manipulated to fit the
needs of the application?<br>
<br>
</blockquote>
</span>
Maybe I don't want other filters inline, I want total
control of the receive audio. de-emphases CTCSS filtering
etc.
<div>
<div><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
If worried about audio levels, put an AlC which
automatically feeds the system (weather Allstar or
free star) with the perfect level independent of the
level of the user.<br>
<br>
Please note I'm only talking analog.<br>
<br>
73<br>
Skyler KD0WHB<br>
<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
On Sep 24, 2015, at 7:15 AM, Steve Zingman <<a href="mailto:szingman@msgstor.com" target="_blank"></a><a href="mailto:szingman@msgstor.com" target="_blank">szingman@msgstor.com</a>>
wrote:<br>
<br>
Being a DSP based radio, the BF888 is a cheap low
power analog only RF package. Given the lack of
discriminator and modulator access it is limited.<br>
<br>
For a receiver the Maxtrac / Radius / GM300 work
well. For a transmitter not so much. Heat output and
with the Maxtrac, problems with power and deviation
control out of band can cause problems without
custom firmware or hardware hacks.<br>
<br>
My absolute favorite RF gear for Analog / Digital
repeaters is Tait. The T800 series is a purpose
built programmable Exciter / Receiver package. With
access to all the signals anyone would want. I
started using them for 927 MHz repeaters and have
had great performance on UHF and VHF. Mix and match
at will. Pair a VHF receiver with a UHF or 900 MHz
transmitter for a nice RF linked receiver site. For
link radios simplex nodes and "Hot Spots" I've come
to favor the Tait T2000 mobiles. They are easy to
program, well documented, lots of IO and run cool in
transmit.<br>
<br>
The above is not to say there are not a LOT of great
repeater / node packages out there. The GE MASTR II
comes to mind. I have to mention the Micor to keep
the flack down. ;) I've built repeaters using
everything from a Motorola 30D to current equipment.<br>
<br>
Your mileage may vary.<br>
<br>
73, Steve N4IRS<br>
<br>
-- <br>
,,,<br>
(o o)<br>
-----ooO-(_)-Ooo------<br>
--- N4IRS was Here ---<br>
<br>
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</blockquote>
<br>
</div>
</div>
</blockquote>
</div>
<br>
<br clear="all">
<div><br>
</div>
-- <br>
<div>
<div dir="ltr"><font color="#38761d" face="arial narrow,
sans-serif">Skyler Fennell</font>
<div><font color="#38761d" face="arial narrow, sans-serif"><a href="http://amsatnet.info" target="_blank">amsatnet.info</a></font></div>
<div><font color="#38761d" face="arial narrow, sans-serif">KDØWHB</font></div>
<div><font color="#38761d" face="arial narrow, sans-serif"><a href="mailto:electricity440@gmail.com" target="_blank"></a><a href="mailto:electricity440@gmail.com" target="_blank">electricity440@gmail.com</a></font></div>
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</div>
</blockquote>
<br>
</div></div></div>
</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><font face="arial narrow, sans-serif" color="#38761d">Skyler Fennell</font><div><font face="arial narrow, sans-serif" color="#38761d"><a href="http://amsatnet.info" target="_blank">amsatnet.info</a></font></div><div><font face="arial narrow, sans-serif" color="#38761d">KDØWHB</font></div><div><font face="arial narrow, sans-serif" color="#38761d"><a href="mailto:electricity440@gmail.com" target="_blank">electricity440@gmail.com</a></font></div></div></div>
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