flying RTL-SDR RPi

Samudra Haque samudra.haque at gmail.com
Sat Nov 19 20:13:03 EST 2022


Any change to EIRP and radiation pattern  and coverage zones ? Then FAA/FCC
not interested unless someone complains or a random sweep shows spurious
emissions?

https://www.jdsupra.com/legalnews/five-things-uas-manufacturers-need-to-9783918/

On Sat, Nov 19, 2022, 19:59 Jacek Radzikowski <jacek.radzikowski at gmail.com>
wrote:

> Not modification of the drone, but the sbc connected to the rtl dongle.
> Integrating the dongle with a photo drone electronics would be a
> non-trivial task (a bit easier for an FPV quad, as they are very DIY
> friendly).
> If you jump too high in DC you may end up with a visit from the FAA, and
> to fly a drone there probably you need to go through several truckloads of
> paperwork.
>
> Jacek.
>
>
> On Sat, 19 Nov 2022 at 19:52, Samudra Haque <samudra.haque at gmail.com>
> wrote:
>
>> Are you proposing to modify the antenna connection to the transceiver
>> front end on a fkying platform remotley operated from ground? Cool. Are
>> there allowances within the scope of  FCC rules and FAA rules on drone
>> control range and capability, and FCC certification of the RF part?
>>
>> In DC I strongly believe that's a no no.
>>
>> Yes, for 1:1 point to point S-band ISM band I have done that within FCC
>> regs over 23 km l-o-s, for two years continuous service at 5.5 Mbps. Drones
>> are a totally different ball game and have more risks associated if the
>> plans for such get loose.
>>
>> Please don't ITAR amateur radio, eh? Even SDR passive radar folks just
>> got in serious trouble.
>>
>> On Sat, Nov 19, 2022, 19:13 Jacek Radzikowski <
>> jacek.radzikowski at gmail.com> wrote:
>>
>>> You can run rtl-tcp. It is light enough that RPi0 nas enough
>>> computational power to handle it. The SBC on the drone needs to be
>>> connected via WiFi to your ground station, so adding an external antenna
>>> connector may be necessary. I did that on Pi0, and it wasn't too scary.
>>> IIRC you need to move one capacitor (this can be tricky, it's an 0402-ish
>>> part), and an MMCX connector which you mount on the footprint on the board.
>>> I use a remote rtl-tcp server running on Pi0 for an AMR meter monitor,
>>> with the signal processing part running on another computer.
>>>
>>> Jacek
>>> kw4ep
>>>
>>>
>>> On Sat, 19 Nov 2022 at 18:46, Alex Fraser <beatnic at comcast.net> wrote:
>>>
>>>> Since I plan to fly a Raspberry Pi (on a drone) for photo work I figure
>>>> I could also attach a SDR dongle to it and look at more than just light
>>>> from 400'.
>>>>
>>>> IINM you can run the dongle and computer as servers and read the data
>>>> remotely, does anyone have this set up?  On a RPi?
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>>>>
>>>
>>>
>>> --
>>> Given a choice between two theories, take the one which is funnier
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>>
>
> --
> Given a choice between two theories, take the one which is funnier
>
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