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The eBay attenuators I bought were these generic ones, item?404370496426 The seller is UK based, similar SMA attenuators are widely available on eBay. You don’t need to spend a fortune on “brand

Its actually the AGC inside the power detector. Once the zero Hz peak moves outside its detection window, the gain can increase and the noise floor drops in steps/ -- Designer of the tinySA For more

It looks like the front-end attenuator is slowly autoranging. Stuart K6YAZLos Angeles, California

I've always bought them from Zeenko. Buying from Zeenko, which is the manufacturer, I am 100% sure that I will not receive a clone, as it comes directly from the factory, without intermediaries where

This is normal behavior. -- Designer of the tinySA For more info go to https://tinysa.org/wiki/

Mine looks pretty much the same. Brand new tinySA Ultra.

Over the years I have bought at least 20 or more TinySA and TinySA ultra from R&L? either for my self or through work. NEVER have I received a clone from them. John

I have a new TSA-Ultra with latest FW, All self tests & cal worked ok. Unit seems to be performing as expected. I set the freq to cover the US AM broadcast band 530-1720 Khz & got a curious stair-step

I have Tinysa Ultra.? Driver is installed and system recognizes usb port.? When I click on capture screen image button no window opens.? I am using windows 10.? I have another computer with

Okay, lots of great information on here. Sounds like I could use a few extra items to be safe. Can anyone link a specific 30db attenuator that would work? Just really trying to make sure I get

Thanks again Erik. So I just tried setting Lin Avg off and then did touch cal, but still the setting is not apparently saved for the next startup. Anyway no worries, maybe I should leave the Lin Avg

Here's another 40673 story, told many times by former Hy-Gain factory service technician Stephen Forcier many years ago. Hy-Gain manufactured some radios that used them back in the day. In the

This is a bug, any change to a CONFIG setting should automatically be saved in the config and restored at startup For now, do a TOUCH CAL and the setting will be save, However, be aware that any

Thanks Erik! I think I get it now. I tried turning off Linear Averaging and it now seems more like what I would expect. Now I’m pulling my hair out for half a hour trying to remember how to save

However, you can't always trust what you're going to get when you order from a recommended vendor. A few years ago I had ordered a TinySA from a recommended vendor - R&L E lectronics. I received the

Famous Last Words: “Seems Safe Enough” Every year someone at Yellowstone Park steps off the boardwalk and makes the local newspapers. If you purchase any proprietary state of the art gear from any

If selftest succeeds then all SA circuit path components are OK. The only thing not tested in the selftest is the the signal generator function. -- Designer of the tinySA For more info go to

In averaging mode you can choose between linear averaging and log averaging. Default is linear averaging When power is showing in dB you see the log of the power -- Designer of the tinySA For more

Andy, Thanks for the information. Can you provide the product information and where they can be purchased? Thanks, Mike N2MS

Am I understanding Average mode calculations correctly? I am somewhat surprised at the following test results. Install standard (unextended) antenna with 20dB attenuator (for added safety precaution