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#1
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![]() "Jonathan Goodish" wrote: That equals at least 2 cables running from the GPS for full functionality. I have two cables going to my yoke-mounted 296 now--power and remote GPS antenna. With a little creative routing and some tie-wraps, you can hardly tell they're there. One more wouldn't be a problem. -- Dan C172RG at BFM |
#2
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In article ,
"Dan Luke" wrote: That equals at least 2 cables running from the GPS for full functionality. I have two cables going to my yoke-mounted 296 now--power and remote GPS antenna. With a little creative routing and some tie-wraps, you can hardly tell they're there. One more wouldn't be a problem. That's true, but the reply was targeted at the poster who suggested that there would be less wires with the Garmin than with a PDA-based system. In fact, the Garmin will require at least 2 wires to do what modern Bluetooth-based PDA/TabletPCs can do with just one. JKG |
#3
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![]() "Jonathan Goodish" wrote That's true, but the reply was targeted at the poster who suggested that there would be less wires with the Garmin than with a PDA-based system. In fact, the Garmin will require at least 2 wires to do what modern Bluetooth-based PDA/TabletPCs can do with just one. Your PDA needs a GPS antenna, an XM Wx antenna, power to the weather receiver, and either a power cable or batteries to the PDA. You also need to manage the Bluetooth connection, a source of technical issues in flight. The 396 does not need an externa GPS antenna, does not need separate power to the weather receiver, and has no Bluetooth connection to manage. The 396 also crossfeeds data from a Garmin 430/530 for those who own one. -------------------- Richard Kaplan www.flyimc.com |
#4
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In article 1120880570.c77f078bd4ef02a28a9ba12c122515c0@teran ews,
"Richard Kaplan" wrote: Your PDA needs a GPS antenna, an XM Wx antenna, power to the weather receiver, and either a power cable or batteries to the PDA. You also need to manage the Bluetooth connection, a source of technical issues in flight. I use a BT GPS and BT XM receiver, so the only power I need up front is to the PDA, if I choose to power it from an external source. I have the XM receiver on the hat shelf in back, so the power supplied to it is out of the way. The important point is that BT enables elimination of USB cables, which is huge. I have never had to "manage" the BT connection on the PDA--it just works, all the time, every time. The 396 does not need an externa GPS antenna, does not need separate power to the weather receiver, and has no Bluetooth connection to manage. The 396 does need an external antenna if you plan to receive XM weather. The 396 also crossfeeds data from a Garmin 430/530 for those who own one. I'm not sure how this would be very useful. If I had a 430/530 and wanted weather, I'd either consider the 396 or a PDA/TabletPC product as a primary weather display. JKG |
#5
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"Jonathan Goodish" wrote in message
to the PDA, if I choose to power it from an external source. I have the XM receiver on the hat shelf in back, so the power supplied to it is out That is the point... there are only "less cables" with a PDA setup if you ignore the presence and power needs and size of the XM receiver. I suppose your rationale does indeed make sense if you use the PDA weather system only in one plane (presumably which you own) and if you somehow run a permanent power cable to the XM receiver (which is certainly doable though awkward). For the market of renter pilots -- which is quite substantial -- a 396 is much more convenient logistically than a PDA solution. I'm not sure how this would be very useful. If I had a 430/530 and wanted weather, I'd either consider the 396 or a PDA/TabletPC product as Connecting a 430/530 to a Garmin portable GPS is immensely useful although under-recognized as an available feature. The 430/530 provides output only to the portable GPS; flight plans and active waypoints are transferred. This means for example that the 396 would depict the current and flight planned route with no extra pilot workload, thus showing the pilot if his route will pass through weather. The same is true for comparing a planned route with terrain. The same is true for depicting an instrument approach on top of terrain. Additionally the portable GPS can be configured for more information fields than can fit on just a 430/530, i.e. more ways to depict ETA, bearing, vertical nav info, etc., etc. The Garmin portable GPS units also have vertical navigation abilities superior to any PDA, which can be quite helpful in an emergency. And finally in the event of a total electrical failure the portable GPS already has the current flight planned route in its memory with no extra work required of the pilot, making the electrical failure almost a non-event. -------------------- Richard Kaplan www.flyimc.com |
#6
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In article 1120931190.ee355d9085f8aa3f59c909d62c3c862e@teran ews,
"Richard Kaplan" wrote: That is the point... there are only "less cables" with a PDA setup if you ignore the presence and power needs and size of the XM receiver. I suppose your rationale does indeed make sense if you use the PDA weather system only in one plane (presumably which you own) and if you somehow run a permanent power cable to the XM receiver (which is certainly doable though awkward). For the market of renter pilots -- which is quite substantial -- a 396 is much more convenient logistically than a PDA solution. For a portable weather system--no question about it. However, if you're an aircraft owner and never move the weather system, it's a moot point. There's nothing difficult about mounting the XM receiver remotely and providing power to it. It becomes more difficult if you plan to use it as a "portable" weather system. on top of terrain. Additionally the portable GPS can be configured for more information fields than can fit on just a 430/530, i.e. more ways to depict ETA, bearing, vertical nav info, etc., etc. The Garmin portable GPS units also have vertical navigation abilities superior to any PDA, which can be quite helpful in an emergency. And finally in the event of a total electrical failure the portable GPS already has the current flight planned route in its memory with no extra work required of the pilot, making the electrical failure almost a non-event. None of this is relevant for renter pilots. If I'm considering a 396 primarily for weather, why wouldn't I use a small TabletPC, which has a superior display and orientation compared with the 396, and WxWorx on Wings software, which provides a superior weather display? Throw a small Bluetooth GPS on the glare shield and you can see where you are in relation to the weather. Entering a flight plan into a Tablet or PDA isn't a big deal, and I probably wouldn't hesitate to use the Tablet or PDA for primary enroute navigation if I had a panel mount that wasn't doing anything other than navigation anyway. As for vertical navigation abilities, I'm not exactly sure what you're referring to that would make a Garmin handheld "superior." I would think that all of the data relevant for VNAV would be provided by the GPS, so if I'm using a PDA or TabletPC slaved to a Garmin GPS, I'm not sure how that would be much different for VNAV guidance than using a Garmin portable--unless you're referring to specific software features in the Garmin. I'm not saying there aren't advantages to the Garmin portables, but if I had an IFR panel mount, I'm not sure that I'd run out and drop $2500 on a Garmin portable just so that it can sync my flight plan. If I was a renter pilot, the 396 would be an ideal system due to its easy portability. If I was an owner serious about certified weather uplink and features not available on the 430/530, I think I'd investigate selling the 430/530 and buying another certified system that can better serve my needs. That all being said, if I was considering the purchase of a portable GPS/weather system today, irrespective of what's in my panel, I would have to seriously consider the 396--I might even run out and buy it. However, I resisted buying the 296 and its predecessors due to the lousy screens and poor "landscape" screen orientation. I still have my GPSMAP 195, and it is still a fantastic GPS after all these years, but it has no obstacles, terrain, or weather capability, so it has been relegated to storage. JKG |
#7
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![]() "Jonathan Goodish" wrote For a portable weather system--no question about it. However, if you're an aircraft owner and never move the weather system, it's a moot point. Less significant, yes. Moot, no. It is still a piece of equipment which needs either a quasi-permanent power connection to ship's power or else regular recharging or replacing of batteries. None of this is relevant for renter pilots. If I'm considering a 396 primarily for weather, why wouldn't I use a small TabletPC, which has a superior display and orientation compared with the 396, and WxWorx on Wings software, which provides a superior weather display? Throw a small Bluetooth GPS on the glare shield and you can see where you are in It is relevant to renter pilots in particular because it is by far the easiest way to put both GPS navigation and weather in a rental airplane. Sure you can set up an XM receiver, Bluetooth GPS, and PDA whenever you rent a plane, but that is a lot more work then plugging in a 396 relation to the weather. Entering a flight plan into a Tablet or PDA isn't a big deal Yes it is if you are talking about an IFR situation when you need to enter flight plan or navaid info into panel-mount IFR equipment and then duplicate it in a portable GPS and then reprogram both when you receive changes in routings or approach clearances enroute. For VFR flight this is not a huge issue; for IFR flight the convenience from the crossfed data is HUGE. and I probably wouldn't hesitate to use the Tablet or PDA for primary enroute navigation if I had a panel mount that wasn't doing anything other than navigation anyway. That is fine for VFR but not IFR. sure how that would be much different for VNAV guidance than using a Garmin portable--unless you're referring to specific software features in the Garmin. Yes, I am referring to the "Vertical Speed to Target" feature of the Garmin portables (and some Lowrance units as well). This is a highly desirable feature for executing a deadstick landing when VFR or especially IFR or at night. I'm not saying there aren't advantages to the Garmin portables, but if I had an IFR panel mount, I'm not sure that I'd run out and drop $2500 on a Garmin portable just so that it can sync my flight plan. If you had a Garmin 430 or 530 in your panel, it would be downright silly not to add a Garmin portable GPS given the advantages it offers.. it could be any portable model since the 195. Once it is a given that you add a Garmin portable, then it does not make much sense to have a Garmin portable GPS for backup nav and a separate portable weather system. The realistic options at that point are either a Garmin 396 or else an older Garmin portable GPS plus panel-mount weather. renter pilot, the 396 would be an ideal system due to its easy portability. If I was an owner serious about certified weather uplink and features not available on the 430/530, I think I'd investigate selling the 430/530 and buying another certified system that can better serve my needs. There is no such thing as certified weather uplink -- it is easier panel or portable. Weather on the 430/530 themselves are marginal. The apparent best IFR panel weather datalink options at this point are either a Garmin 430/530 coupled to panel-mount EX500 multi-function display for weather (an expensive option) or else a Garmin 430 coupled to a 396 portable for weather and terrain. no obstacles, terrain, or weather capability, so it has been relegated to storage. That is one of the key points... the terrain feature of the 296 is stupendous and ought to be considered the Product of the Year -- in many ways its terrain implementation is superior to that on much more expensive panel solutions such as an MX20 or an EX500. -------------------- Richard Kaplan www.flyimc.com |
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