<div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">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).</div><div class="gmail_default" style="font-family:tahoma,sans-serif">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.</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Jacek.</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, 19 Nov 2022 at 19:52, Samudra Haque <<a href="mailto:samudra.haque@gmail.com">samudra.haque@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">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? <div dir="auto"><br></div><div dir="auto">In DC I strongly believe that's a no no. </div><div dir="auto"><br></div><div dir="auto">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. </div><div dir="auto"><br></div><div dir="auto">Please don't ITAR amateur radio, eh? Even SDR passive radar folks just got in serious trouble. </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Nov 19, 2022, 19:13 Jacek Radzikowski <<a href="mailto:jacek.radzikowski@gmail.com" target="_blank">jacek.radzikowski@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">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.</div><div class="gmail_default" style="font-family:tahoma,sans-serif">I use a remote rtl-tcp server running on Pi0 for an AMR meter monitor, with the signal processing part running on another computer.<br></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Jacek</div><div class="gmail_default" style="font-family:tahoma,sans-serif">kw4ep</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, 19 Nov 2022 at 18:46, Alex Fraser <<a href="mailto:beatnic@comcast.net" rel="noreferrer" target="_blank">beatnic@comcast.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<p><font face="Comic Sans MS">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'.</font></p>
<p><font face="Comic Sans MS">IINM you can run the dongle and
computer as servers and read the data remotely, does anyone have
this set up? On a RPi?</font><br>
</p>
</div>
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</blockquote></div><br clear="all"><br>-- <br><div dir="ltr" class="gmail_signature">Given a choice between two theories, take the one which is funnier </div>