Pirate Radio: RF UWB SS SDR [was: Gatwick drones]

[grarpamp]

On 12/23/18, grarpamp <grarpamp at gmail.com> wrote:
>> Probably also coming soon, very high PGs wherein the codes, bandwidth and
>> frequencies quickly hop according to a shared secret between the drone
>> and
>> its controller. This combination is being explored for possible Next
>> Generation military comms.
>
> It is said that this is already in public knowledge and operation
> within SDR community.
>
> Though instead of the conventional "bandwidth and frequencies",
> all the observer sees on their spectrum is random noise, let's say
> across entire spectral ranges... from start freq to end freq of entire
> frequency range of ATSC / WiFi / Cellular / FM / Etc allocation
> space... more generally, across entire start to end of whatever
> capability range of the tx / rx hardware in use. And where a
> pre shared or negotiated key is used to impart or mask
> data into, and out of, the noise. It's not even that these may
> have, or be, waveform carriers, as the noise may be spark
> gaps driven, impulse / transform function generators, etc.
>
> And the difficulty in triangulating such noise,
> ie: how exactly does one lock onto random energy,
> the galactic radiation problem, from everywhere
> and nowhere.
>
> Post links to your favorite papers on these topics.


https://en.wikipedia.org/wiki/Tracking_and_Data_Relay_Satellite_System
https://en.wikipedia.org/wiki/Lacrosse_(satellite)
https://en.wikipedia.org/wiki/Future_Imagery_Architecture
https://en.wikipedia.org/wiki/USA-224
https://en.wikipedia.org/wiki/2012_National_Reconnaissance_Office_space_telescope_donation_to_NASA
https://en.wikipedia.org/wiki/Space-based_radar

https://www.youtube.com/watch?v=_Ndr2EYkhA8
https://www.youtube.com/watch?v=MViVyocQhVw
https://www.youtube.com/watch?v=Zf53Pg2AkdY

Radar Love... ;)