[Hackrf-dev] RF Sweep

Ulf Bertilsson ulf.daniel.bertilsson at gmail.com
Thu Mar 5 16:17:49 EST 2015


My alternative is painful tho.

Stacking up an array off rtlsdr dongels paired with proper downconverters all leveled out.

*sight* :)

I guess over usb will be doable/poc at least ?

--
Ulf

> Den 5. mar. 2015 kl. 22.00 skrev Karl Koscher <supersat at cs.washington.edu>:
> 
> Back in October there was a thread about this ("HackRF settling time"). Mike said that if you do the tuning in firmware you should be able to tune in less than 200 microseconds. (it's an order of magnitude slower over USB). It sounded like people were interested in implementing this in firmware, but I'm not sure anyone ever did.
> 
>> On Thu, Mar 5, 2015 at 8:07 AM, Ulf Bertilsson <ulf.daniel.bertilsson at gmail.com> wrote:
>> Im using rtl_power at the moment, but an port to hackrf would make my day.
>> 
>> 
>> 
>> 
>> --
>> Ulf
>> 
>> > Den 5. mar. 2015 kl. 16.31 skrev Rich S <richnsanders at gmail.com>:
>> >
>> > TSCMers (technical surveillance countermeasures) or bug sweepers use receivers that scan, and record a graphical representation, of the RF spectrum at a very fast speed by taking large chunks of data at one time and FFTing them.  Ketsrel software uses the Aeon, Signal Hound and a few other receivers covering from DC to 6 gig or higher in a matter of seconds.  REI's Oscar Blue and Green covers 40khz to 24 Ghz in under a second.  Has anyone found a way to get the HackRF to scan in a similar manner and then record the frequency and strength?
>> >
>> > Rich
>> > _______________________________________________
>> > HackRF-dev mailing list
>> > HackRF-dev at greatscottgadgets.com
>> > https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
>> 
>> _______________________________________________
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> 
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