G8JNJ

Hi John,

I was thinking about the possibility of using the KiWi with a down-convertor.

Some of the existing extensions are not that useful if the short wave bands are not being received or if the antenna isn't suitable for reception of stuff like Loran. Also the Development controls extension is always listed but hardly (if ever ) gets used.

Would it be possible to add an admin option to Enable / Disable individual Extensions and clear them from the drop down extension list ?

Regards,

Martin - G8JNJ

And another site to add to the TDoA markers list



Regards,

Martin - G8JNJ

Ooops, I should also have added this YouTube link which shows you how to use them.



Although this shows them being used with a printed circuit board, you can do the same thing with power supplies, cables, PC's etc.

Just be aware that the KiWi takes time to process the signals, so there will be a delay of 1-2 seconds between you moving the probe and seeing a change occur on the waterfall or spectrum display.

Regards,

Martin - G8JNJ

Yes, unfortunately you have two massive AM broadcast signals on 760KHz and 800KHz.

As a temporary measure try attenuating the input signal by about 10dB.

A longer term fix is to build a notch, or high pass filter to reduce the level of the BC stations without reducing the level of other signals.

Some notes on the subject can be found towards the top of this web page.

https://www.g8jnj.net/softwaredefinedradio.htm

Regards,

Martin - G8JNJ

I'm quite pleased with this one, especially as it's an HF signal and there are not that many suitably placed KiWi's.

It's a Russian CIS-12 signal on 11175KHz.



Regards,

Martin - G8JNJ