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05-20-2014, 01:03 PM
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Join Date: Sep 2011
Location: Edgewater, FL. KSFB
Posts: 1,118
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On my last visit to the local tower they had a PC running off to the side. They apparently use it for a few things but IIRC they mentioned that they often check weather on the PC because it was better than what they have.
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05-20-2014, 08:32 PM
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Join Date: Oct 2006
Location: Southeast
Posts: 569
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How does Garmin explain the differences in rendering the weather on the iPad versus the G3X? To my mind , the G3X is more realistic. Is it related to screen resolution?
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05-21-2014, 09:49 PM
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Join Date: Jun 2007
Location: Atlanta
Posts: 745
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Resurrected ( Dougie, is this OK, resurrecting this? I wanted to keep it in the forefront, because I'm hoping guys with Garmin Pilot ADS B weather will go out and give this a real world checkout. I would already be doing it myself, but I'm recovering from a broken hip and thus can't fly right now)
Last edited by donaziza : 05-21-2014 at 10:20 PM.
Reason: Dougie's permission
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05-22-2014, 05:50 AM
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Join Date: Sep 2010
Location: Olathe, KS
Posts: 2,885
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Quote:
Originally Posted by alcladrv
How does Garmin explain the differences in rendering the weather on the iPad versus the G3X? To my mind , the G3X is more realistic. Is it related to screen resolution?
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Hello alcladrv,
Are you comparing the iPad weather to the G3X weather when both are displaying FIS-B weather from the GDL39/39R? They should be roughly the same when doing this.
There is some weather moving through Kansas City this morning, and I am watching it on a 696 with XM weather (GXM40), a 796 with SXM weather (GXM42), a 796 with FIS-B weather (GDL39), and a G3X with a GDU 460 using FIS-B weather (GDL39R). Sorry, I have a bench full of good avionics, but no devices with fruit on the back this morning.
I am seeing good correlation between these weather maps, but as mentioned previously, the composite FIS-B NEXRAD data does seem to generally report higher reflectivity than the satellite weather sources. This can be seen in these two images from the 796. Again, we map colors to reflectivity values the same for all weather data sources, so we just render what the received data tells us to render.
SXM (GXM42) Weather
FIS-B (GDL39) Weather
Thanks,
Steve
__________________
Garmin G3X Support
g3xpert@garmin.com
1-866-854-8433 - 7 to 7 Central Time M to F
Please email us for support instead of using Private Messaging due to the limitations of the latter.
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05-22-2014, 07:27 PM
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Join Date: Oct 2006
Location: Southeast
Posts: 569
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That's one comparison. But, mainly it's the Garmin Pilot iPad weather rendering sourced from both the both FIS-B radar and the radar you get with your iPad connected to the Internet on the ground.
We had some thunderstorms go through our area within the past hour and I again saw the relative over enhancement of the Garmin Pilot radar versus the WSI Pilotbrief app while seated in my living room.
To my eye, the Garmin Pilot app on the iPad shows an over enhanced image regardless of the source relative to other commonly available weather radar services at FBOs, e.g. Accuweather, WSI, Intellicast, etc. Perhaps a comparison at the local airport with iPad in hand would be better than 1000 words from me trying to explain it.
Thanks for your efforts. I'm just to give some honest feedback.
Mike
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05-28-2014, 03:30 PM
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Join Date: Oct 2005
Location: Geneva, AL
Posts: 491
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Tablet Question
I took an 800nm trip over Memorial Day weekend, the first since installing a GDL39. Hooked up directly to an AERA 510 and bluetoothed (is that a word) to a Samsung Galaxy running Garmin Pilot. All the weather worked as advertised on the AERA 510 but the Galaxy never did show the radar. I went to the "overlays" and selected "radar ads-b" but it never did show up. Every thing else, metars, winds aloft, sigmets all worked. It always showed several ground stations and the signal strength was good.
I have to assume that I've got something set up incorrectly on the tablet but for the life of me I can't figure it out.
Also, for what its worth from a VFR pilot, I like the depiction of the weather on the AERA. I think maybe I err on the side of caution anyway, but most of the light green that showed contained a little rain where I was.
__________________
Paul Rose
RV-9A 91300
N417PR
SERFI 2013 Awards
Inspection Complete!!! 7/7/12
First Flight 7/22/12
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05-28-2014, 09:29 PM
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Join Date: Aug 2008
Location: Texas, Fort Worth
Posts: 1,237
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While we are having this discussion there a couple of things to remember. Having the radar view in the cockpit is only one slice of the pie. Metars, TAF, winds aloft, etc give you a more complete picture. You would never want to be completely IFR or at night and try to penetrate depicted weather you guys are talking about in this thread.  It is not actuate enough for that purpose. That being said having the capability of checking the weather at your destination while sitting at the end of the runway at your home base is really state of the art stuff and super cool!  Knowing the weather is there per your GDL39 and being able to see it visually and running along side of it as well as altering your route 100 mile out to go around it is a great advantage. 
__________________
John
RV12 N1212K
Flying Since June 2010
1020 Hours as of 9/30/2017
Johnrv12@icloud.com
RV14 Wing, arrived and building at Rdog's new Hanger at 16X
S/N 140014
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