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Something with a TDR (Time Domain Reflectometer) function would be ideal, not sure if the nanovna has that function, good luck anyway. John VE7KKQ [email protected]> wrote:

Thanks John for replying back.? Many of these runs were already installed within the walls when I bought the house, so I don't know the exact lengths of all the cables. There are a couple for which I

Charlie, Thank you for the valuable advice regarding the use of a VNA.? I will research the NanoVNA SAA2N ( http://www.randl.com/shop/catalog/product_info.php?products_id=75242 ) further tonight,

Tony: Let me suggest you use a Network Analyzer (maybe the NanoVNA?) and take a look at some of the work by AC6LA.? Start with https://www.ac6la.com/zplots1.html#MeasureTL which describes how to

Tony, Do you actually NEED to know the exact figure or is this an exercise in "can it be done this way" experiment? If all you need is a rough idea, tape measure, data sheet and

Hello all, I am wondering whether I could use two TinySAs, one as a signal generator and the other as a spectrum analyzer, to verify the amount of signal loss across various lengths of 75 ohm RG-6QS

Hi Erik, Tried? this but the screen is still white after boot, but no more communication via the usb port.When i switch on power normally still a white screen but communication via pc is normal. The

Thanks, Erik for quick response. Yes, I was thinking it wasn’t a problem as far as the device or measurements went, but was just reporting it in case others saw the same thing and you wanted to

Geoff, TinySA-App has a serial terminal window that can be used to send commands to the tinySA.? To send a command to perform a self test do the following: 1. In the main TinySA-App window select

OK, Ta.

There is no self test in the app, only local i=on the tinySA. The problem with the app is its constant polling interferes with the selftest initiated and executed

Steve, The stop band error (test 7) you are seeing is not critical as it is on a large offset from the passband. -- ------------------------------------------ For more info on the tinySA go to

A bit off current topic and I don't want to distract from topic but how do you get a self test from the app. I have v1.1.4.6 installed and can't see any mention of self test or config. Geoff

For me, beta test code V 1.1-40, 49, 52 break self-test #7. All other tests pass. No problem found when reverting back to V 1.1-32. Not sure if this is a one-off so decided to report

Erik, 1. No USB disconnection when running self test from PuTTY. 2. Using stable v1.1-32, TinySA-App also drops USB connection when running self test.? I didn't recall this previously?occurring when

Do you also loose USB comms when connected with a terminal program or only when connected with tinySA-App? tinySA-App continuously issues commands in the background task and these interfere with the

Open the case temporarily connect Boot0 and Vdd on PCB edge close to the battery switch on the tinySA, you should get a black screen. no longer needed to connect Boot0 and VDD connect USB Now it

Good morning Erik, 1. Connected to tinySA using TinySA-App 2. Uploaded v1.1-52 successfully (clearconfig, reset, restore leveloff values and deviceid) 3. Ran selftest 0 from TinySA-App Comms Window 4.

After playing with the settings a white screen,not possible to update the firmware.Not possible to set the tinysa in dfu mode.After booting the sa isn't visible anymore. Please help, Victor

Hi Herb, The hangup was caused by a complicated race condition around the ADC. Hope its solved now in beta build v1.1-52 -- ------------------------------------------ For more info on the tinySA go