Re: SDR: was LHS Episode #233: Thunderbirds • AmateurRadio.com

[Eric Oyen]

I haven’t used any free software yet for them. In fact, I haven’t used any software at all as yet (lacking enough USB ports to utilize more than 1 at a time). There are both the AirSpy and RTL-SDR Mac ports available (and I have both installed here).

Like I said, I think I will be needing some help to get things going here. There are just some things that are a bit more complicated for a blind person than any sighted person (having lived in both worlds, I know this all too well first hand).

-Eric


> On Jul 4, 2018, at 6:50 PM, Steve Litt <slitt at troubleshooters.com> wrote:
> 
> Have you used Free Software (on your Mac) for either of your dongles?
> Which Free Software?
> 
> What are the name/models of your dongles?
> 
> How do you equip your dongles so that switching antennas over and over
> again doesn't wear out their connectors?
> 
> You're blind, so you can't see those pretty waterfall characterizations
> of the spectrum that are given you. I assume numbers are recited to
> you. Which softwares do you use to make all the data numeric instead of
> graphic?
> 
> Maybe with any luck some day I can pay you back with a particularly
> good software filter.
> 
> Thanks,
> 
> SteveT
> 
> Steve Litt
> Author: The Key to Everyday Excellence
> http://www.troubleshooters.com/key
> Twitter: http://www.twitter.com/stevelitt
> 
> 
> 
> On Wed, 04 Jul 2018 12:45:40 -0700
> Eric Oyen <eric.oyen at icloud.com> wrote:
> 
>> 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.
>> 
>> -Eric
>> 
>> 
>>> On Jul 4, 2018, at 11:29 AM, Steve Litt <slitt at troubleshooters.com>
>>> wrote:
>>> 
>>> On Wed, 04 Jul 2018 09:34:41 -0700
>>> Eric Oyen <eric.oyen at icloud.com> 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)  
>>> 
>>> Eric,
>>> 
>>> 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.
>>> 
>>> Thanks,
>>> 
>>> Steve Litt
>>> Author: The Key to Everyday Excellence
>>> http://www.troubleshooters.com/key
>>> Twitter: http://www.twitter.com/stevelitt
>>> 
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