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Adapter to connected a larger antenna with a PL 259 connector to your SDR dongle.

Amazon.com: RF coaxial cable UHF SO239 PL259 female to MCX male right angle connector RG316 20CM: Computers &...

If you are looking for things to listen to and have not done so already Radio Reference 9http://www.radioreference.com/) has a large database of frequencies and who they are allocated to. Live feeds...

I did find a few home weather stations that operated at 433mhz.

haven't found anything on exactly 400mhz, but there are quite a few Government agencies using frequencies near that range.

DEA - around 418mhz
Federal Protective Services - 408.200
Federal...

I can't see the file, but what was the exact frequency?

Also a better antenna would help with the signals you are trying to receive. If the antenna provided is for a certain freq range (i.e. TV signals) then it may not pick up the signals as well for what...

Soo..... did you take it out and play with it yet? :shocker:

Before I looked at the link, I was wondering how the USB "drive" was going to be worth a darn as an antenna. Now that I checked out the link I see it comes with a desktop antenna. :thumbsup:

It...