I'm not saying it'll solve everything, but it does help. Scott
Mike Zwingl oe3mzc wrote: > > > Scott, > 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? > > tnx > Mike > oe3mzc > > > ----- Original Message ----- > *From:* Mark Cheavens <mailto:[email protected]> > *To:* [email protected] <mailto:[email protected]> > *Sent:* Wednesday, September 02, 2009 8:34 PM > *Subject:* Re: [tracker2] Development build > decoding > > > > From a Nuvi send a message to: --ver > > Mark > KC5EVE > 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 >> > performance. >> > >> > (Remember I am talking about the T2-135 DECODING - Not other >> stations >> > decoding me). >> > >> > Mark >> > KC5EVE >> > 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* >> <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 >> >> > >> >> >> > >> > >> > >> >
