Search found 103 matches

by F1BJB
Mon Sep 18, 2017 8:23 pm
Forum: New Users' experiences
Topic: DRM reception with SDRPlay and SDRUno
Replies: 11
Views: 879

Re: DRM reception with SDRPlay and SDRUno

supwiddiss wrote:Could someone kindly post a few DRM freqs receivable in the USA?
I have it working with the help of a test file. But so far, no live reception.
Thanks!

Hi
As far as i know there are very few.
The best way is to look/ask here:
http://www.drmrx.org/forum/
by F1BJB
Wed Sep 13, 2017 10:13 am
Forum: SDRplay related
Topic: broadcast spurious in the LF band
Replies: 1
Views: 109

Re: broadcast spurious in the LF band

Hi As the only build in filter in that range is a 12MHz low-pass it is normal. The solution is to use an external one. As the maximum bandwidth of the RSP1 is about 10MHz incorporating narrower filters would have : Destroyed this useful feature Increased the cost a lot. Deteriorated the flatness of ...
by F1BJB
Mon Sep 11, 2017 7:00 pm
Forum: General
Topic: Seeing spectrum of UHF (HDTV) Broadcast Band
Replies: 4
Views: 372

Re: Seeing spectrum of UHF (HDTV) Broadcast Band

There's not a lot to see with digital TV, just 'blocks' of what looks like noise. That is not true :) If the top of the noise is not flat it indicates either a badly oriented aerial with echoes or SFN or MFN interference. mystere.JPG Here you see the difference between channel 22 correctly received...
by F1BJB
Thu Aug 17, 2017 7:55 am
Forum: General
Topic: sdrsharp 1361
Replies: 7
Views: 656

Re: sdrsharp 1361

SDRsharper is an alternative to sdrsharp that I have been using happily since it appeared. You just have to add the ExtIO*.dll It can be downloaded here: http://www.qsl.net/sdr/ see also : http://www.sdrplay.com/community/viewtopic.php?t=367 At first glance it may seem complicated but it comes with ...
by F1BJB
Mon Aug 14, 2017 9:32 pm
Forum: New Users' experiences
Topic: SDR/Uno Won't Use VSC
Replies: 10
Views: 605

Re: SDR/Uno Won't Use VSC

This is an alternative to VAC I used successfully in the past:
http://www.vb-audio.com/Cable/index.htm
by F1BJB
Mon Aug 14, 2017 9:06 pm
Forum: SDRplay related
Topic: dump1090 and RSP2 notch filters
Replies: 5
Views: 382

Re: dump1090 and RSP2 notch filters

I find myself disoriented after reading your response. The AM/FM BC notch filter of the RSP2 is software-selectable but I though it was an 'actual' filter, not a 'software filter' (DSP filter ?)... The RSP2 FM filter is specified as providing >60dB on the range 80 – 100MHz. So I understood it is us...
by F1BJB
Mon Aug 14, 2017 11:56 am
Forum: SDRplay related
Topic: dump1090 and RSP2 notch filters
Replies: 5
Views: 382

Re: dump1090 and RSP2 notch filters

Hi There is no way that a software filter could be of any use on a signal outside the maximum 10 MHz bandwidth of the RSP. And even when it is useful it uses a lot of dynamic range and processing power. To protect from 100MHz when receiving 1GHz a shorted IGHz quarter wave line connected with a T ad...
by F1BJB
Mon Aug 14, 2017 11:31 am
Forum: New Users' experiences
Topic: SDR/Uno Won't Use VSC
Replies: 10
Views: 605

Re: SDR/Uno Won't Use VSC

What the hell is VSC ? :roll:
https://en.wikipedia.org/wiki/VSC
was of no help
by F1BJB
Wed Aug 02, 2017 4:12 pm
Forum: New Users' experiences
Topic: DRM reception with SDRPlay and SDRUno
Replies: 11
Views: 879

Re: DRM reception with SDRPlay and SDRUno

Sorry I don't know.
by F1BJB
Wed Aug 02, 2017 3:06 am
Forum: New Users' experiences
Topic: DRM reception with SDRPlay and SDRUno
Replies: 11
Views: 879

Re: DRM reception with SDRPlay and SDRUno

With Sodira you can use ExtIO_SDRplay_RSP1.dll and control directly your SDRPlay. sodira.gif On the GUI I recommend using Zero IF with 200KHz bandwidth as Sodira is not suited for wide bandwidth. Also check enable post tuner DC/IQ Compensation in the advanced panel to avoid the zero IF line on the p...

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