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The Airspy HF+ dongle has a couple of things that I don,t like . 1 it does have a fold over problem on HF that can be worked through. The other problem is that the HF+doesn',t have any gain control for the VHF part and their is no UHF . Now Since I like to surf the HF air waves the HF+is every thing...

I would suggest getting a MFJ 1020C pre-selector. It works very well with the RTL-SDR V3, I used one on till I got HF+

Hi Snn47 .
I just read your last post and all that I can say is oh! Well I guess than go to plan B . use a RF switch , a lot of inputs and one output . MFJ sells them . .mfjenterprises.com

Hi Snn 47 . I would suggest use a TV signal splitter , you can get them at Walmart , Lows , Home Depot Best Buy . Anyway the signal splitters are also Combiners as you have found out . Their is a drop of signal of about 8DB . You can put a LNA that everybody is selling in front of the Combiner/ spli...

A disk cone antenna works good also , just make sure you get one that has a " N " connector on it .

Has anybody tried the new version of HDSDR beta9 Version 2.80 , they added some new things . It was released yesterday .
Maybe It's just me ' but I like it .

Hi J_H_Bailey . I tried to use SDRuno and had a lot of problems , never did get it to work . I wanted to use it for hf frequencies . Someone told me that I need to download something for that . At that point I said the hell with it and deleted it . I think it was written by programmers for programme...

Post by P-40 Warhawk » Fri May 11, 2018 8:10 am Some kind person told what I need to know . Well now I don't need a external RF signal attenuator . Come to find out their is RF Firmware Update that fixed the problem and that was what was needed . If you go to the products page for the HF + , it's on...

Hi Jel . Well my thinking on the noise floor is that their is two noise floors . One noise floor is in the equipment ( radio receiver ) . The other is in the Ether , meaning the atmosphere , sky , space what ever the antenna see's . Now the sun is what makes the noise floor that comes in from the an...

Some kind person told what I need to know . Well now I don't need a external RF signal attenuator . Come to find out their is RF Firmware Update that fixed the problem and that was what was needed . If you go to the products page for the HF + , it's on the bottom of the page . Also it is talked abou...