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<p style="margin: 0px;">Any hope for an Ethernet version some day? So much more flexible. The radio could be anywhere in the world with a hardwire or WiFi connection. PoE could even power the device, and a low wattage radio.<br />
<span></span></p>
<p style="margin: 0px;"><span> </span></p>
<p style="margin: 0px;"><span>Ray, KD4BBM<br />
</span></p>
<p style="margin: 0px;"> </p>
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On December 15, 2010 at 11:16 PM Scott Miller <scott@opentrac.org> wrote:<br />
<br />
> The OT1+ has never had particularly strong RX capability. It was<br />
> something I managed to add on when I upgraded from the old KX8 processor.<br />
><br />
> When I have time, I'm going to see if the OTUSB's demodulator can be<br />
> back-ported to the OT1+. It's going to be a bit of a stretch, though -<br />
> the OTUSB is clocked 3.25 times faster than the OT1+.<br />
><br />
> I've been getting results of over 930 packets decoded on the WA8LMF test<br />
> track, compared to about 960 for the MX614-based OT2m and under 900 for<br />
> most TNC2 clones. The biggest limitation is dynamic range, since it's<br />
> using mostly 8-bit math. You have to make sure the audio level is<br />
> adjusted properly, but there's a display in the diagnostic screen for<br />
> that. I'm going to add a simple AGC function later on - that helped<br />
> with the DTMF decoding on the ADS-SR1. Incidentally, that runs on a<br />
> slightly slower version of the same processor, so at some point I'll<br />
> probably port the DTMF code over and use it for some non-APRS stuff with<br />
> the OTUSB hardware.<br />
><br />
> The new MCU also has more RAM available, and part of that's going to go<br />
> to KISS buffering.<br />
><br />
> I'm really looking forward to doing a few more specialized board layouts<br />
> based on the OTUSB. Aside from the voltage regulator there's just one<br />
> 44-pin IC that does everything, USB interface included. Some of the<br />
> software work was a major pain - getting it to load firmware over the<br />
> USB port when a good chunk of that firmware is the USB stack itself, for<br />
> example - but it does make the hardware side easier.<br />
><br />
> Scott<br />
> N1VG<br />
><br />
> On 12/15/2010 4:01 PM, Xinhua Rong wrote:<br />
> > Scott,<br />
> ><br />
> > Congratulations on the new product release. Personally, I like MX614<br />
> > more. I had poor decoding experience in OpenTracker+ with FT-7800R,<br />
> > FT-8800R etc mobile radios with DATA port. Not sure if you had chance to<br />
> > test OTUSB with these radios.<br />
> ><br />
> > Thanks,<br />
> > Adam<br />
> ><br />
> > On 2010-12-16 6:01, Scott Miller wrote:<br />
> >><br />
> >> I'm pleased to announce that the new OpenTracker USB is now shipping!<br />
> >><br />
> >> https://www.argentdata.com/catalog/product_info.php?products_id=148<br />
> >> http://wiki.argentdata.com/index.php/OpenTracker_USB<br />
> >><br />
> >> The new tracker is basically a Tracker2 without the digipeater and<br />
> >> Garmin protocol functions, but with a full-speed USB port that can be<br />
> >> used for configuration, command prompt access, and KISS mode,<br />
> >> independent of the two regular serial ports.<br />
> >><br />
> >> This means you get remote control capability, a TNC2-style command<br />
> >> prompt, scripting, weather station support, KISS mode, and the ability<br />
> >> to do all of this simultaneously without reloading the firmware.<br />
> >><br />
> >> There's also space inside for a GT-525 GPS receiver module, and we'll be<br />
> >> offering that with the appropriate jumper a little later as an option.<br />
> >><br />
> >> Demodulation is software-based, and significantly improved over the<br />
> >> OpenTracker+ - in our testing, it's been very close to MX614-based TNCs<br />
> >> in decode performance.<br />
> >><br />
> >> Because of the surface mount construction we won't be offering this one<br />
> >> as a kit. We'll still be offering the OpenTracker+ as a kit as long as<br />
> >> we're able to get the parts, but the assembled version will be phased<br />
> >> out in favor of the new design.<br />
> >><br />
> >> USB support has been tested with Windows 2000/XP, Mac OS X, and Linux.<br />
> >> We'll be adding INF files for Vista and Windows 7 shortly, but it shows<br />
> >> up as a generic USB CDC device so drivers are included with the<br />
> >> operating system.<br />
> >><br />
> >> Documentation is still sparse, but the wiki has the critical<br />
> >> information. Nearly all of the information in the Tracker2 manual<br />
> >> applies, with the exception of the digipeater and Garmin sections. The<br />
> >> OTUSB manual should be published by this weekend.<br />
> >><br />
> >> We've got units ready to ship now, and more on the way, so there's still<br />
> >> time to put it on your Christmas list!<br />
> >><br />
> >> 73,<br />
> >><br />
> >> Scott<br />
> >> N1VG<br />
> >><br />
> >><br />
> ><br />
><br />
><br />
><br />
> ------------------------------------<br />
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