[HN Gopher] RFI (Radio Frequency Interference) Sleuthing with th...
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       RFI (Radio Frequency Interference) Sleuthing with the TinySA (2021)
        
       Author : transpute
       Score  : 47 points
       Date   : 2024-04-19 10:08 UTC (1 days ago)
        
 (HTM) web link (ka7oei.blogspot.com)
 (TXT) w3m dump (ka7oei.blogspot.com)
        
       | wkat4242 wrote:
       | There's also a premium version of the tiny SA that has a bigger
       | display and wider frequency range, resolution bandwidth etc. I've
       | been thinking of buying that one.
        
         | Citizen8396 wrote:
         | Would you mind sharing a link?
        
           | wkat4242 wrote:
           | As per above:
           | https://tinysa.org/wiki/pmwiki.php?n=TinySA4.Comparison
           | 
           | The Ultra is more than 2x as expensive (but considering the
           | prices of regular spectrum analysers, still quite cheap for
           | its capabilities!)
        
         | tinix wrote:
         | Are you thinking of nanovna? There's only one tinySA afaik ..
        
           | tinix wrote:
           | Ahh found it:
           | https://tinysa.org/wiki/pmwiki.php?n=TinySA4.Comparison
        
             | wkat4242 wrote:
             | Yeah I meant the Ultra. When I wrote that from my phone I
             | forgot the exact name.
             | 
             | The nanoVNA is a completely different thing - as mentioned
             | in the article also.
        
       | transpute wrote:
       | Another directional loop antenna for RFI location (2019),
       | https://www.arrl.org/files/file/Antenna%20Book%20Supplementa...
       | Here is a simple antenna design that is effective from 3 to 22
       | MHz. Based on a resonant magnetic loop, it has high transducer
       | gain (high sensitivity), and also very good directionality. You
       | can build it cheaply from junk box parts.
        
         | transpute wrote:
         | TinySA thread, 50+ comments,
         | https://news.ycombinator.com/item?id=39142560
        
       | luckman212 wrote:
       | Can this be used to visualize 802.11ac/ax signals?
        
         | notslow wrote:
         | Highly unlikely. 802.11x lives in the 2.4GHz and 5.8GHz ranges
         | which are outside of the stated range of the tinySA mentioned
         | in the article. Occasionally radios will work outside of the
         | stated range with a bit of hacking, but 950MHz to 2.4GHz is
         | pretty far. Software-defined radios (SDRs) like the HackRF One
         | or BladeRF cover the 2.4GHz and 5.8GHz frequency ranges, but at
         | a higher cost. [edit: clarify the frequencies of the HackRF and
         | BladeRF]
         | 
         | [edit2: Apparently the tinySA Ultra can cover the higher
         | frequencies in certain configurations]
        
           | ckocagil wrote:
           | Or one can use a mixer.
        
       | kqbx wrote:
       | For this purpose, how does TinySA compare to scanning the
       | spectrum with an RLT-SDR (or other low-end SDR)?
        
         | transpute wrote:
         | Better portability,
         | https://news.ycombinator.com/item?id=39144472
        
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       (page generated 2024-04-20 23:02 UTC)