[RFI] TinySA as an RFI research tool

[Dave Hachadorian]

Another thing about the Tiny SA is that the screen is very difficult to see 
in bright light.

When you get out in the field tracking down a noise, you will encounter many 
noise sources.  You don't want to be watching squiggly lines on a dim 
screen, trying to figure out if that's the same signature you saw at home. 
If you track a noise by ear, with directional antennas such as an HF loop or 
flag with a SW receiver, or a yagi/AM VHF receiver, you are pretty much 
assured by the sound of it that you are onto the specific noise of interest.

Dave Hachadorian, K6LL
Yuma, AZ

-----Original Message----- 
From: Hugo Loranger
Sent: Wednesday, June 16, 2021 8:52 PM
To: Lee STRAHAN ; RFI at contesting.com
Subject: Re: [RFI] TinySA as an RFI research tool

I don't know if with DX Engineering Portable Receive Preamplifier-Attenuator 
DXE-NL-PRE-ATT-1 if that would make the product perfect by adding a 
directional HF and VHF antenna?



Hugo Loranger

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-------- Message d'origine --------
De : Lee STRAHAN <k7tjr at msn.com>
Date : 2021-06-16 23 h 33 (GMT-05:00)
À : Lee STRAHAN <k7tjr at msn.com>, Hugo Loranger <ve2_ugo at hotmail.com>, 
RFI at contesting.com
Objet : RE: TinySA as an RFI research tool

Hi All again,
   While I am thinking of it I also tried the little radio called a 
Malachite. It suffers the same problems but is a bit more sensitive than the 
TinySA. One of these with some sort of antenna and preamp looks to me like 
it would be pretty good. Neither of the two TinySA or Malachite worked as 
well as the Tecsun PL660 without externals.
  Just my 2 cents worth.
Lee  K7TJR  OR

-----Original Message-----
From: RFI <rfi-bounces+k7tjr=msn.com at contesting.com> On Behalf Of Lee 
STRAHAN
Sent: Wednesday, June 16, 2021 8:26 PM
To: Hugo Loranger <ve2_ugo at hotmail.com>; RFI at contesting.com
Subject: Re: [RFI] TinySA as an RFI research tool

Hugo and all,
      I have looked at and tried the TinySA as an interference testing tool. 
The sensitivity of the Tiny Sa only goes down to -100 dBm. I was thinking at 
some point I would add a 20 dB preamp and try it again. As it is by itself 
with the short vertical it is not sensitive enough to pick up much RFI. I 
specifically am referring to 40, 80, and 160 meters. I did not try it on VHF 
with a small beam. In addition, the small vertical antenna supplied with the 
TinySA swings freely on its connector and will not stay vertical or 
horizontal.
Lee   K7TJR   OR

-----Original Message-----
From: RFI <rfi-bounces+k7tjr=msn.com at contesting.com> On Behalf Of Hugo 
Loranger
Sent: Wednesday, June 16, 2021 7:57 PM
To: RFI at contesting.com
Subject: [RFI] TinySA as an RFI research tool

Hi,
What do you think of TinySA as the main tool for RFI research in order to 
intervene effectively instead of a simple portable HF radio?

73!

Hugo
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