I have 2 USB Dongles for SDR receive here. I have never been able to get them to work properly in windows (none of the windows coded SDR software programs are usable by the blind) and I have yet to try them on my Mac mini (only have 4 USB ports and 3 of them are already in use).
These devices are RTL-SDR types (cheap) and 1 will operate down to 100 Khz and up to 30 Mhz. The other will operate from 25 Mhz to approximately 5 Ghz (although it won’t be nearly so good above 3 Ghz).
Btw, if you want a couple of bands of interest below AM broadcast, try 472-478 Khz and 173 Khz. Both of those are recently opened allocations.
> On Jul 4, 2018, at 11:29 AM, Steve Litt <email@example.com> wrote:
> On Wed, 04 Jul 2018 09:34:41 -0700
> Eric Oyen <firstname.lastname@example.org> wrote:
>> Well, Linux shows up in many places that most Linux users never
>> consider. The Ham Shack is but one of them. I should know, I use
>> Linux here to control more than 1 radio and I am also looking to
>> setup a spy server node using the RaspberryPi and a linux
>> distribution (need a little help with that).
>> -Eric (Also known in ham radio as N7zzt)
> Are you doing Software Defined Radio yet? If so, what frequencies,
> what hardware, what software?
> My ambition is to build an SDR with a laptop and a loop antenna to tune
> in 520Khz thru 1800Khz (Broadcast AM band). I know a lot of hardware
> doesn't go that low and you need to use a downconverter.
> Steve Litt
> Author: The Key to Everyday Excellence
> http://www.troubleshooters.com/key > Twitter: http://www.twitter.com/stevelitt >
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