Woe is me!!! The interference saga...pt x

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daveB
Posts: 1141
Joined: 07 Oct 2014 16:49

Woe is me!!! The interference saga...pt x

Post by daveB » 21 Jan 2018 21:15

Now to make it worse - from roughly 76 - 118 MHz I have spikes every 400.000 KHz - which when expanded have sidebands at +/- 12, 24, and 36 kHz. Something else to have to track down and not resolve. I can't pin down a bearing as the rotator is currently in the shed - it has been there since the back end of 2017 - to minimise the risk of storm damage to the aerial on the scaffold pole.

So - add that to the 'car' interference which basically wipes out 87.5 - 94.5 MHz and the solar powered light interference at every 200 kHz - FM DXing is becoming very problematical. Not that there appears to be any DX about!.

So I'm playing about with DAB and have bits in hand to put together a wideband loop aerial fro HF - at least I can do some experimentation.

David
SDRPlay, AirSpyMini, RTL dongles, SB920s, Yamaha TX930. 5 ele compact yagi on rotator at 18ft agl. FM5 facing east, FM5 facing south, FM3 facing NE, OIRT dipole, 3-ele Moxon vertical facing east.

daveB
Posts: 1141
Joined: 07 Oct 2014 16:49

Re: Woe is me!!! The interference saga...pt x

Post by daveB » 21 Jan 2018 22:13

Nnooooooo!!! The spikes have gone to be replaced by wider interference peaks at roughly 600 kHz intervals. What on earth is going on?
SDRPlay, AirSpyMini, RTL dongles, SB920s, Yamaha TX930. 5 ele compact yagi on rotator at 18ft agl. FM5 facing east, FM5 facing south, FM3 facing NE, OIRT dipole, 3-ele Moxon vertical facing east.

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