8450Re: [tracker2] Development build > decoding
- Sep 2, 2009Scott,will this build also fix the problems we have with several OT2m,that do have severe problems with receive, even though the capacitor in the deemphasis filter is correct?tnxMikeoe3mzc----- Original Message -----From: Mark CheavensSent: Wednesday, September 02, 2009 8:34 PMSubject: Re: [tracker2] Development build > decoding
From a Nuvi send a message to: --ver
At 11:43 AM 9/2/2009, you wrote:
Cool! Now I have to go ask my T2-135 v1.2 boards what firmware I've got
in them! I remember now seeing that posting from Scott about the timing
recovery, but I didn't connect it back to my own boards. Thanks for the
update (to you and Scott).
Lynn (D) - KJ4ERJ - (T2-135s as -9 and -14)
Mark Cheavens wrote:
> There are actually two improvements for the T2-135. The first was on
> the version2 board a de-emphasis filter was added. (I keep meaning to
> order one).
> The second was hidden (In plain view:) ) in one of Scott's
> announcements that he made some timing changes to improve decode
> (Remember I am talking about the T2-135 DECODING - Not other stations
> decoding me).
> At 10:08 AM 9/2/2009, you wrote:
>> I'm not sure how the latest build would have improved reception, but if
>> anyone else is as curious as I was, I've generated coverage maps for
>> KC5EVE for his travels on the 29th and 30th. You can see them at:
>> http://ldeffenb. dnsalias. net.nyud. net/Tracking/ Requests/ KC5EVE*
>> There are a few holes along the route, but when it had coverage, it had
>> nice coverage!
>> Lynn (D) - KJ4ERJ - APRS Infrastructure Visualization
>> Mark Cheavens wrote:
>> > On one of my "to do" lists has been to update the firmware in my
>> > T2-135 to the "latest development build" (June 09) for a while.
>> > I finally got around to it AFTER a long trip (4k miles). The trip was
>> > frustrating at how FEW packets got decoded. (displayed on the Nuvi)
>> > From my initial testing last night and this morning, all I can say
>> > is WOW!!!! What an improvement! My normal drive before would result
>> > in about 10% of the packets being decode and displayed, Now it
>> > appears to be near 100%.
>> > (Now if we can just get timestamp of when the packet arrived into the
>> > Nuvi........ ....)
>> > As usual, great work Scott!
>> > Mark
>> > KC5EVE
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