[aprssig] Subject: Re: Drones (recomendations)

Mon Jan 10 15:31:39 EST 2022

The DJI Fly app also has an option to route the live video out to an 
RTSP server, so at the very least you could have the video stream going 
out via WiFi to a TV that way. Probably with a bit of extra latency.

Scott
N1VG

On 1/10/2022 12:26 PM, Leon Ciereszko via aprssig wrote:
> I am with Scott on the DJIs; they just work.  I have a small fleet at 
> work and I use the stock controller with an iPad Air for the display/ 
> flight plan controller.  An inexpensive android tablet should work for 
> you application (I need to program complex flight plans).  The control 
> that comes with it has the standard up/ down/ port/ starboard controls 
> but no display.  I just looked at the controller for a DJI Phantom 4 
> PRO and it has no video output (there is USB "A" output); there is an 
> external viewer option so there is a way to get video out of the 
> controller.  Legally the UAS needs to be within sight of the pilot at 
> all times.
>
> Lee  N4TCW
>
> On Monday, January 10, 2022, 10:00:24 AM MST, 
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> Today's Topics:
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>   1. Drones (Robert Bruninga)
>   2. Re: Drones (Stephen H Smith)
>   3. Re: Drones (Scott Miller)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Sun, 9 Jan 2022 16:29:39 -0500
> From: Robert Bruninga <bruninga at usna.edu>
> To: TAPR APRS Mailing List <aprssig at lists.tapr.org>, Robert Bruninga
>     <bruninga at usna.edu>
> Subject: [aprssig] Drones
> Message-ID:
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>
> Any recommneation for modest cost quality drone for flying around my 1
> acre property for inspections.  My health has me headed to bed ridden
> and so as we clean up
> all the work needed (using contractors aned other h3alp around the
> yard) I need to zoom in
> to look at things and help making decisios.from my bed
>
> Initially cost was no option so I couil also fly around the 
> n3ighborhood and up
> and donw th3e creek, but most are not desgined beyond operator field 
> of vieww.
>
> Also no smart phone wanted.  needs ts own closed system.  Base should be
> able to plug into to TV for large view?
>
> Ive never looked at drones b4 so I could be way off?
> Bob, WB4APR
>
>
>
> ------------------------------
>
> Message: 2
> Date: Sun, 9 Jan 2022 17:55:36 -0500
> From: Stephen H Smith <WA8LMF2 at aol.com>
> To: aprssig at lists.tapr.org
> Subject: Re: [aprssig] Drones
> Message-ID: <c734e09e-7c00-7dcd-1192-bf93a8522d0e at aol.com>
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> Message: 3
> Date: Sun, 9 Jan 2022 15:06:27 -0800
> From: Scott Miller <scott at opentrac.org>
> To: aprssig at lists.tapr.org
> Subject: Re: [aprssig] Drones
> Message-ID: <e1e72f0e-c85d-977b-43a5-3149d2138d2b at opentrac.org>
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>
> I've got a DJI Mini 2 and I really like it. Been doing both cinematic
> stuff and more utilitarian surveying. It was about $440 from Costco for
> the bundle. I'm currently about $900 into the hobby, including extra
> batteries and charger, filters, sun shade, and Part 107 testing fee.
>
> It does need a smart phone or tablet, unless you buy the DJI smart
> controller. The smart controller is 2-4x the price of the drone, though.
> I already had a slightly out of date spare Android phone that I paid
> about $60 for and it works just fine.
>
> The camera is great. It shoots good 4K video at 30 fps, and 2.7K at 60
> fps. Endurance is about 30 minutes but I don't normally push it past 20.
> It's under 250 grams so no need to register it. It folds up small enough
> to fit in a coat pocket. Here's a quick video of my shop roof to show
> how it could work for inspection purposes - I'd only had the drone a
> couple of days at that point so there's no particular skill on my part:
> https://vimeo.com/664043482/442cba9bfc
>
> I think your biggest problem is going to be the control signal. Line of
> sight it'll supposedly do 10 km. You know what RF performance is like in
> the real world, though. I flew mine under a railroad bridge from maybe
> 100 yards away and went from full strength to no video in an instant.
> Still managed to keep the control link, though, and flew it out the
> other side blind. So flying from your bedroom might be difficult, but
> you could certainly do it from a wheelchair or something if you can get
> outside. (Also legally you're supposed to maintain visual line of sight.
> And if you're using it for anything other than recreational purposes
> you're supposed to have a Part 107 certificate.)
>
> The Mini 2's biggest deficiency is its lack of collision avoidance
> sensors. It only has a downward-facing sensor. For inspection work you
> really need to be vigilant about maintaining situational awareness. The
> good news is that with a high resolution camera you don't need to get
> super close most of the time. The sub-$1000 drones from DJI also don't
> have any autonomous flight capabilities, aside from some pre-programmed
> camera moves. You can't program them to follow a series of waypoints,
> for example. There's third-party software that will sort of do that, but
> only by "virtual stick" inputs where the drone is piloted by the
> controller. If it loses the signal, it can't keep flying the programmed
> route.
>
> Scott
> N1VG
>
> On 1/9/2022 1:29 PM, Robert Bruninga wrote:
> > Any recommneation for modest cost quality drone for flying around my 1
> > acre property for inspections.  My health has me headed to bed ridden
> > and so as we clean up
> > all the work needed (using contractors aned other h3alp around the
> > yard) I need to zoom in
> > to look at things and help making decisios.from my bed
> >
> > Initially cost was no option so I couil also fly around the 
> n3ighborhood and up
> > and donw th3e creek, but most are not desgined beyond operator field 
> of vieww.
> >
> > Also no smart phone wanted.  needs ts own closed system.  Base should be
> > able to plug into to TV for large view?
> >
> > Ive never looked at drones b4 so I could be way off?
> > Bob, WB4APR
> >
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