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Thread Tools | Display Modes |
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#1
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Jonathan Goodish wrote:
The weather pixelation is due to the weather data being pixelated, not due to the display. Close-in zooms on any product that I've seen have had pixelated weather. I believe software like WxWorx smooths the edges, but the displayed data is still the same. This is a limitation of the NEXRAD data, so you get the same information from any NEXRAD radar site for base reflectivity--and composite reflectivity is worse. I think the Wx data is transmitted at low resolution to save bandwidth and reception time, hence the gross pixilation and poor resolution in close in zoom mode. Does the wx data have a timestamp so you can determine how old it is? |
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#2
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"Jay Honeck" wrote: I was appalled at how pixilated the weather appeared on the 396. Small thunderstorm cells appeared to cover entire counties (or bigger), simply because they were depicted with big squares instead of being able to take advantage of a higher resolution screen. You're exaggerating. The resolution is 2km, and it's due to the NEXRAD's limits, not Garmins. http://www.cami.jccbi.gov/aam-400A/A...0TEXT/0405.pdf Anyway, in actual operational use it's plenty fine enough. Now perhaps that's an XM thing, and not a Garmin thing -- but either way I'm not spending thousands on such a crude depiction of the weather. I'd hardly call something "crude" that accurately depicts a shower so small you can see all the way through it when you look out the window. Until you've flown with WxWorx, you just don't know what a superb tool it is. Within a year or two, someone will offer a much more usable tool, hopefully on a bigger screen, probably for much less $$ -- and then I'll be glad to add portable weather to the cockpit. Much more usable? In what way? Bigger screen? That would be nice if I don't have to strap the damned thing to my leg. It's got to fit on the yoke without blocking the HI or I don't want it. Go ahead and wait if you want to, but here in Thunderstorm Alley I ain't flying without it a day longer than necessary. I can't wait for mine to get here so I can get rid of my notebook pc setup. -- Dan C-172RG at BFM |
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#3
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Dan Luke wrote:
Go ahead and wait if you want to, but here in Thunderstorm Alley I ain't flying without it a day longer than necessary. I can't wait for mine to get here so I can get rid of my notebook pc setup. I'm with you, Dan. JA Air says I'm number 91 on their order list, I ordered July 11, and they say they will ship this week. So far no charges on my credit card, so they haven't shipped yet. |
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#4
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You're exaggerating. The resolution is 2km, and it's due to the NEXRAD's
limits, not Garmins. Well, that's even more disappointing, since it's a flaw that can't be fixed by moving the service to a better platform than the 396. Now perhaps that's an XM thing, and not a Garmin thing -- but either way I'm not spending thousands on such a crude depiction of the weather. I'd hardly call something "crude" that accurately depicts a shower so small you can see all the way through it when you look out the window. Until you've flown with WxWorx, you just don't know what a superb tool it is. That would be very cool, indeed! Bigger screen? That would be nice if I don't have to strap the damned thing to my leg. It's got to fit on the yoke without blocking the HI or I don't want it. Both the AvMap and the Airmap 2000c are yoke-mounted. Either platform would allow a better depiction than the little 396. Go ahead and wait if you want to, but here in Thunderstorm Alley I ain't flying without it a day longer than necessary. I can't wait for mine to get here so I can get rid of my notebook pc setup. I truly felt that way before OSH. Playing with the unit convinced me to wait. -- Jay Honeck Iowa City, IA Pathfinder N56993 www.AlexisParkInn.com "Your Aviation Destination" |
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#5
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Color moving map, terrain/obstacle data, and now (near) realtime
weather. Only thing left to add is realtime traffic info. |
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#6
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"Bob Fry" wrote: Color moving map, terrain/obstacle data, and now (near) realtime weather. Only thing left to add is realtime traffic info. From Garmin's site: "[The 396] continues to reduce pilot workload by displaying Traffic Information Service (TIS) data when interfaced to the GTX 330, and can channel frequencies with the touch of a button when interfaced to the SL30 nav/comm radio." |
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#7
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Yeah man, that's there too! Just need to upgrade that funky Narco.
Dan Luke wrote: "Bob Fry" wrote: Color moving map, terrain/obstacle data, and now (near) realtime weather. Only thing left to add is realtime traffic info. From Garmin's site: "[The 396] continues to reduce pilot workload by displaying Traffic Information Service (TIS) data when interfaced to the GTX 330, and can channel frequencies with the touch of a button when interfaced to the SL30 nav/comm radio." |
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#8
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"Maule Driver" wrote: Just need to upgrade that funky Narco. I highly recommend Garmin's 327 xponder--I have one and love it. However, the TIS data model, the 330, has become an iffy deal because the FAA forgot to include TIS service in its upgrade spec's for some radar sites. Since it wasn't in the spec's, Raytheon didn't price it and is not including it. As a result, TIS won't work in my neighboring airspace of Pensacola, among other places. If this hadn't happened, I would definitely upgrade to a 330, because I frequently fly that airspace and it is a buzzing hive of military and civilian traffic. The Garmin rep. at OSH said that the avionics manuf'rs have been screaming about this oversight to the FAA, but it doesn't sound like their complaints are getting anywhere. -- Dan C-172RG at BFM |
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