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06-08-2017, 06:39 AM
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Join Date: May 2017
Location: Denver CO
Posts: 151
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Dual Comm Setup with no GPS
Not putting a built in GPS in my-10. Question is how do most setup a dual comm system? Usually see the GPS receiver as comm 1 with a different comm radios as comm 2. I'm running a Dynon Skyview HDX with the Dynon comm radio. Do I just run duplicate Dynon Comm Radios for comm 1 and comm 2? Not sure that I've seen any modern panels with duplicate radio setup.
Thanks
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06-08-2017, 06:50 AM
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Join Date: Jan 2005
Location: Tampa, FL
Posts: 2,861
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__________________
Todd "I drink and know things" Stovall
PP ASEL-IA
RV-10 N728TT - Flying!
WAR EAGLE!
Last edited by Auburntsts : 06-08-2017 at 06:54 AM.
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06-08-2017, 06:51 AM
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Join Date: Nov 2006
Location: Savannah, GA
Posts: 1,029
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If you're VFR only a panel-mounted (hardwired) GPS is silly. There's one built into the Skyview, and any tablet-based or portable solution will work just fine.
I think Dynon has said two of their comm radios will work just fine--you will only be able to "push" frequencies to one of them from the Skyview display, but otherwise they'll work.
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RV-7ER - finishing kit and systems installation
There are two kinds of fool in the world. The first says "this is old, and therefore good"; the second says "this is new, and therefore better".
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06-08-2017, 06:56 AM
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Join Date: Jan 2005
Posts: 804
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Quote:
Originally Posted by Sandrews
Not putting a built in GPS in my-10. Question is how do most setup a dual comm system? Usually see the GPS receiver as comm 1 with a different comm radios as comm 2. I'm running a Dynon Skyview HDX with the Dynon comm radio. Do I just run duplicate Dynon Comm Radios for comm 1 and comm 2? Not sure that I've seen any modern panels with duplicate radio setup.
Thanks
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Depending on how you intend to fly, a lot of modern radios have the capability to not only "flip-flop" between two frequencies, but give you the ability to monitor the backup frequency. This is essentially the same functionality as two radios without the flip-flop and an audio panel.
Modern radios are very reliable, You might do,just fine with one for basic VFR.
__________________
James Freeman
RV-8 flying
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06-08-2017, 06:57 AM
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Join Date: Mar 2008
Location: Huntsville, AL USA
Posts: 546
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Dual A-210s
Quote:
Originally Posted by Sandrews
Not putting a built in GPS in my-10. Question is how do most setup a dual comm system? Usually see the GPS receiver as comm 1 with a different comm radios as comm 2. I'm running a Dynon Skyview HDX with the Dynon comm radio. Do I just run duplicate Dynon Comm Radios for comm 1 and comm 2? Not sure that I've seen any modern panels with duplicate radio setup.
Thanks
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I have dual ICOM A-210 radios connected to a Garmin GMA-240 audio panel. Typically use COMM 1 for Unicom / ATC and COMM 2 for AWOS.
__________________
Dan Langhout
2020 =VAF= Dues PAID . . . . .
RV-7 N528DP slow build
First Flight July 26th, 2014
665 hours and counting . . . .
Now based at Moontown (3M5)
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06-08-2017, 07:00 AM
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Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 2,597
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The Dynon radio works great in my RV-10, I recommend it.
The SkyView will provide superior GPS performance to most panel mounted TSO GPS navigators, and will also provide 2020 compliant ADS-B out.
If you pick the SL-30 for one of your radios you will have a superb radio and what I consider the best VOR/ILS receiver out there. While you cannot shoot GPS approaches (legally) with the SkyView, you can do ILS approaches with the SL-30. The SL-30 feeding the SkyView HSI works well (have done this in an RV-8A)
Carl
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06-08-2017, 07:20 AM
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Join Date: May 2017
Location: Denver CO
Posts: 151
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Ahh, ok, looks like I don't need two comms for what I'm trying to accomplish. My goal is monitor the atis while having atc on active. Looks like the Dynon radio allows you to do this already.
From Dynon website:
"Don't Miss a Thing: Dual watch allows you to listen for transmissions on both your active and standby frequencies simultaneously, with the active taking priority at all times. Use dual watch to monitor an alternate frequency in busy airspace or listen to ATIS without missing anything on the active. "
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06-08-2017, 09:24 AM
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Join Date: May 2017
Location: Denver CO
Posts: 151
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Quote:
Originally Posted by flyeyes
Depending on how you intend to fly, a lot of modern radios have the capability to not only "flip-flop" between two frequencies, but give you the ability to monitor the backup frequency. This is essentially the same functionality as two radios without the flip-flop and an audio panel.
Modern radios are very reliable, You might do,just fine with one for basic VFR.
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Perfect. Thank you James. This is the case with the Dynon radio.
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06-08-2017, 11:20 AM
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Join Date: May 2005
Location: X35 - Ocala, FL
Posts: 3,679
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Monitoring the second frequency is nice, but it IS NOT the same as having 2 radios. First of all, if a radio fails, then you go from 2 frequencies to zero in a single com setup. That has happened before. Second, if you are monitoring the standby frequency, it mutes any time you receive on the primary, so a busy freq on primary makes the standby monitor function useless.
There are ways to have 2 COM's without an audio panel. That is what I would do.
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Jesse Saint
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06-08-2017, 12:31 PM
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Join Date: Aug 2016
Location: Asheville, NC
Posts: 2,106
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Quote:
Originally Posted by flyeyes
...a lot of modern radios have the capability to not only "flip-flop" between two frequencies, but give you the ability to monitor the backup frequency.
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Yes, my Icom A210 does that. In the DUAL mode you can listen to both the active and standby frequencies (The active has priority, of course). I use that quite often to listen to destination ATIS while I'm with ATC. I'm poor and only have one radio and no panel-mounted GPS.
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(2020 dues paid)
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