[TheList] 141Mhz antenna request

Fri Nov 15 05:55:08 AEDT 2019

Good morning all,  Does anyone here have access to a 141Mhz  dipole or yagi  antenna I could
purchase for the man cave please.

Regards and thanks,

Shane.
On 14/11/2019 2:21:00 PM, Radio Engineering <radio.restorations at gmail.com> wrote:
I am finding a lot of the chinese made electronics which use switch mode or switching regulators to be very noisy.
The generate a lot of hash, both superimposed on the DC power lines and also radiated as RF.
The first thing to do would be to discover which of these it is.
The former is somewhat easier to suppress than the latter, but even in my attempts to stop a small 12 V to 5 V USB converter from swamping the input to one of the RT in my truck I ended up trying different units until I found one that was quieter than the rest.
Where radios are concerned, linear regulators in other equipment on the same supply are the best option, but may not be possible with your MPPT.
As Andy Gardner has already commented, does the device comply with NZ EMI regs?
My guess is no.

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