For those wondering the license is a CC-NC-ShareAlike type

The bigger issue is that in first world buying a sdr dongle for giggles is viable while in poor countries less so. A raspberry and dongle is a substantial investment if you’re earning 1/20th of a US salary. Don’t think there is an issue with willingness to share data

Pick a flight you know (maybe one near yer home) and play with the options -- what patterns emerge? Red draws attention, “Boeing vs. Airbus” compares data, while “Altitude & Velocity” combines them. Explore hands-on; discovery often makes insights click better than instructions.

    count() AS total,
    sum(desc LIKE 'BOEING%') AS boeing,
    sum(desc LIKE 'AIRBUS%') AS airbus,
    sum(NOT (desc LIKE 'BOEING%' OR desc LIKE 'AIRBUS%')) AS other,

    greatest(1000000 DIV {sampling:UInt32} DIV zoom_factor, total) AS max_total,
    greatest(1000000 DIV {sampling:UInt32} DIV zoom_factor, boeing) AS max_boeing,
    greatest(1000000 DIV {sampling:UInt32} DIV zoom_factor, airbus) AS max_airbus,
    greatest(1000000 DIV {sampling:UInt32} DIV zoom_factor, other) AS max_other,

    pow(total / max_total, 1/5) AS transparency,

    255 * (1 + transparency) / 2 AS alpha,
    pow(boeing, 1/5) * 256 DIV (1 + pow(max_boeing, 1/5)) AS red,
    pow(airbus, 1/5) * 256 DIV (1 + pow(max_airbus, 1/5)) AS green,
    pow(other, 1/5) * 256 DIV (1 + pow(max_other, 1/5)) AS blue

    SELECT round(red)::UInt8, round(green)::UInt8, round(blue)::UInt8, round(alpha)::UInt8

The greener the pixel, the more Airbus planes there.

The bluer the pixel, the more non-Boeing/Airbus planes there.

The less transparent the pixel, the more planes in total.

White means all planes fly there, yellow means Boeing and Airbus dominate, red means Boeing dominates, green means Airbus dominates, cyan means Airbus+others, magenta means Boeing+others, etc.

https://adsb.exposed/?dataset=Planes&zoom=9&lat=38.2165&lng=...

(other sites are corporate or have sold out [adsbexchange], happy to contribute reasonable costs to get a feed, no affiliation, I just like sensor feeds, thank you for the offer and consideration)