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Re: [Drip] ADSB

Robert Moskowitz <rgm@labs.htt-consult.com> Thu, 30 July 2020 10:23 UTC

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To: "shuaiizhao(Shuai Zhao)" <shuaiizhao@tencent.com>, "Stuart W. Card" <stu.card@axenterprize.com>, "tm-rid@ietf.org" <tm-rid@ietf.org>
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From: Robert Moskowitz <rgm@labs.htt-consult.com>
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Subject: Re: [Drip] ADSB
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By "commercial drones" do you mean what a delivery service would use or 
a long-haul freight (Rhaegal) and air-taxis (UAM)?

On 7/30/20 5:49 AM, shuaiizhao(Shuai Zhao) wrote:
>
> Just to echo Stu on the ADSB, AFAIK, ADSB will  not be feasible for 
> most of the drones mostly due to SwaP, commercial drones might be 
> exception.
>
> Best,
>
> Shuai Zhao
>
> *From: *Tm-rid <tm-rid-bounces@ietf.org> on behalf of "Stuart W. Card" 
> <stu.card@axenterprize.com>
> *Date: *Wednesday, July 29, 2020 at 19:46
> *To: *"tm-rid@ietf.org" <tm-rid@ietf.org>
> *Subject: *[Drip] ADSB (was: Review of draft-drip-arch-02 w.r.t. 
> RFC6973, RFC8280 and other)(Internet mail)
>
> Sorry for the slow reply.
>
> ADS-B is gradually being mandated for essentially all manned aircraft.
>
> ADSB-In and ADSB-Out are mandated for airliners: -In gives their pilots
>
> some Situational Awareness (SA) of other aircraft; -Out gives other
>
> pilots SA of the airliners.
>
> "ADSB-Out" is mandated even for small general aviation aircraft: it does
>
> not directly benefit the pilots of those aircraft; but by providing SA
>
> to others, it indirectly benefits all.
>
> ADSB is _not_ going to be deployed on large numbers of small UAS as it
>
> would overwhelm the limited bandwidth available at those lower radio
>
> frequencies (which propagate long ranges). In fact, it is expected to be
>
> explicitly prohibited in the US per the FAA NPRM; I suspect most of the
>
> rest of the world will do likewise.
>
> ADSB is also altogether insecure.
>
> On 7/9/2020 3:02 AM, Alexandre Petrescu wrote:
>
>     ...
>
>     They call it "ADS-B Receivers" (Automatic Dependent Surveillance -
>
>     Broadcast).
>
>     I wouuld like to ask if there is a packet dump available showing such
>
>     presence data form planes?  Maybe wireshark already supports it, maybe
>
>     it even dissects it...
>
> -- 
>
> -----------------------------------------
>
> Stuart W. Card, PhD, Principal Engineer
>
> AX Enterprize, LLC  www.axenterprize.com
>
> 4947 Commercial Drive, Yorkville NY 13495
>
>

-- 
Standard Robert Moskowitz
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