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* >> >> 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 >> > >> > > >
