Ok. There’s our software lead candidate. I think I will do some up front research on prior arts, available drones, and field strength meters. Thanks for the discussion. I’ll report back on what I find. Mark N5PRD
Sent from my iPhone > On Mar 10, 2021, at 11:02 AM, Rick Hiller via BVARC <[email protected]> wrote: > > I think the drone / FS pod is the easy part. Collecting and correlating the > point cloud in 3D then developing a solid model is more complex unless > someone has and is expert in Auto CAD 3D or similar as s start. > Eric kF5HDR comes to mind. > > RH > > Sent from my i-Thingamajig > >> On Mar 10, 2021, at 10:57 AM, Mark Brantana via BVARC <[email protected]> >> wrote: >> >> Agreed. That appears to be part of the approach in the commercial version, >> which looks to extend about 18” down. >> >> Mark >> >> Sent from my iPhone >> >>>> On Mar 10, 2021, at 10:52 AM, Nizar Mullani <[email protected]> wrote: >>>> >>> >>> The easiest, and cheapest solution is to hang a self contained FSM a few >>> feet down the Drone.to get away from the PWM noise. Otherwise, you will >>> have to filter the noise in the FSM. >>> >>>> On Wed, Mar 10, 2021 at 10:06 AM Mark Brantana <[email protected]> wrote: >>>> Ok. So researching the available drones and addressing noise is job one. >>>> No doubt the smaller the drone, the noisier. Likewise, the cheaper ones >>>> will probably have more noise. I was hoping since everything is DC, noise >>>> might not be an issue. But clearly it is a key consideration. Thanks >>>> Nizar. Are there fixes? >>>> >>>> Sent from my iPhone >>>> >>>>>> On Mar 10, 2021, at 9:53 AM, Gary Sitton <[email protected]> wrote: >>>>>> >>>>> >>>>> Nizar is right, those drone motors are 3 phase permanent magnet, >>>>> brushless DC motors with PWM controllers which are very noisy. This would >>>>> require sophisticated noise canceling software as well as hardware >>>>> mitigation. >>>>> Gary >>>>> >>>>> >>>>>> On March 10, 2021 9:21:33 AM Nizar Mullani <[email protected]> wrote: >>>>>> >>>>>> Make sure the Drone electronics is quiet enough to not interfere with >>>>>> the Field Strength Measurements. >>>>>> Nizar K0NM >>>>>> >>>>>>>> On Mar 10, 2021, at 9:13 AM, Mark Brantana via BVARC <[email protected]> >>>>>>>> wrote: >>>>>>>> >>>>>>> Considering you can buy a small drone with a camera for less than >>>>>>> $100, an amateur FSD could cost less than $200. >>>>>>> https://bunnytags.com/products/mini-hd-camera-drone-pocket-quadcopter-remote-controlled-for-kids?utm_medium=cpc&utm_source=google&utm_campaign=Google%20Shopping¤cy=USD&gclid=EAIaIQobChMIoamGyYCm7wIVUb7ACh1nAA5OEAQYCyABEgIkAvD_BwE >>>>>>> >>>>>>> Sent from my iPhone >>>>>>> >>>>>>>>> On Mar 10, 2021, at 9:05 AM, Gary Sitton via BVARC <[email protected]> >>>>>>>>> wrote: >>>>>>>>> >>>>>>>> >>>>>>>> Super great idea! >>>>>>>> Gary, K5AMH >>>>>>>> >>>>>>>> >>>>>>>>> On March 10, 2021 12:22:18 AM Mark Brantana via BVARC >>>>>>>>> <[email protected]> wrote: >>>>>>>>> >>>>>>>>> OK, what is an FSD? It is a Field Strength Drone. It’s an idea I am >>>>>>>>> sure others have had, and I don’t expect to get around to designing >>>>>>>>> or patenting such a thing. But inventions are often just the merging >>>>>>>>> of new technologies, and this is not much different. I don’t see any >>>>>>>>> YouTubes about this or any other reference, so here’s the idea: >>>>>>>>> >>>>>>>>> With all the capabilities of little drones I wonder if anyone has >>>>>>>>> designed one which can carry a field strength meter and fly a grid >>>>>>>>> around an antenna to evaluate antenna performance. The guts of my >>>>>>>>> little Radio Shack FSM would have weighed way less than an ounce. >>>>>>>>> >>>>>>>>> Ideally, the field strength meter could communicate to the base >>>>>>>>> through the drone transmitter, reducing weight. Software at the base >>>>>>>>> could link the drone 3D location data with the FS reading. The drone >>>>>>>>> would have to wait at test locations for the operator to transmit, >>>>>>>>> and ideally would move to the next location. Finally, the software >>>>>>>>> might be able to link with existing simulation software for >>>>>>>>> comparison with theory and allow for simulation model improvement. >>>>>>>>> This looks like it would take a small team to develop. >>>>>>>>> >>>>>>>>> This sounds like it would have many uses besides antenna evaluation, >>>>>>>>> like RFI evaluation. >>>>>>>>> >>>>>>>>> What about it? Has anyone done this? >>>>>>>>> >>>>>>>>> Mark >>>>>>>>> N5PRD >>>>>>>>> ________________________________________________ >>>>>>>>> Brazos Valley Amateur Radio Club >>>>>>>>> >>>>>>>>> BVARC mailing list >>>>>>>>> [email protected] >>>>>>>>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>>>>>>>> Publicly available archives are available here: >>>>>>>>> https://www.mail-archive.com/[email protected]/ >>>>>>>> >>>>>>>> >>>>>>>> ________________________________________________ >>>>>>>> Brazos Valley Amateur Radio Club >>>>>>>> >>>>>>>> BVARC mailing list >>>>>>>> [email protected] >>>>>>>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>>>>>>> Publicly available archives are available here: >>>>>>>> https://www.mail-archive.com/[email protected]/ >>>>>>> ________________________________________________ >>>>>>> Brazos Valley Amateur Radio Club >>>>>>> >>>>>>> BVARC mailing list >>>>>>> [email protected] >>>>>>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>>>>>> Publicly available archives are available here: >>>>>>> https://www.mail-archive.com/[email protected]/ >>>>> >>>>> >>> ________________________________________________ >>> Brazos Valley Amateur Radio Club >>> >>> BVARC mailing list >>> [email protected] >>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>> Publicly available archives are available here: >>> https://www.mail-archive.com/[email protected]/ >> ________________________________________________ >> Brazos Valley Amateur Radio Club >> >> BVARC mailing list >> [email protected] >> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >> Publicly available archives are available here: >> https://www.mail-archive.com/[email protected]/
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