Hi Wes,
There are probably at least a half dozen pieces of software written to
use the output of SDRs in the way that suits individual hams. SDRUno is
the one they paid someone for, but before I gave up on the radio, I'd
try the others. Most (if not all) are freeware. One of the first I'd
look at is Simon Brown's contribution (he was the original author of HRD
when it was freeware, sold it to current owners when he got tired of
answering support questions.
Another issue may be that you haven't figured out how to switch in the
BCB filter. That's another issue with all of this stuff --
documentation, user interface that not even the programmer's mother
could love, etc.
73, Jim K9YC
On 9/27/2017 6:33 PM, Wes Stewart wrote:
Part of the reason is explained in my eham review. Note that I'm not
the only one to complain about SDRUno, maybe just the most blunt.
That said, I began to take it as a challenge to make it work, (my XYL
thinks I'm nuts) until I connected my tuned 30-meter dipole to it and
tuned WWV on 10 MHz and was able to copy a local AM broadcast station
on 830 KHz at the same time. It took at least 20 dB of additional
attenuation to eliminate the problem (and WWV), and this thing is
supposed to have BC notch filtering.
My SDR-IQ doesn't flinch under the same conditions even though it
takes 40 dB of attenuation to keep it out of overload when tuned to
KFLT on 830 KHz. I've measured their daytime (50KW) signal at -3 dBm
on my 160 inverted-L. That's S9+70, but it's what I have to live with,
so either I have a defective RSP or it's a design I can't live with.
Either way, it's going back.
Wes N7WS
On 9/27/2017 4:36 PM, Mark E. Musick wrote:
Hi Wes,
Why are you returning the RSP2pro?
Mark, WB9CIF
-----Original Message-----
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Wes Stewart
Sent: Wednesday, September 27, 2017 10:21 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] SDRPlay as panadapter
I bought an RSP2pro last week. I just got off the phone with HRO
arranging its return.
I too use an SDR-IQ as a panadapter and as a decent lab spectrum
analyzer if you are careful and know what you're doing. Actually, I
have two K3s so I have two SDR-IQs. SpectraVue software is the only
SDR software I've ever liked. It interfaces with the K3
seamlessly. Every other program I've tried has been installed and
quickly uninstalled. Sometimes more than once, usually having me ask
myself, "Self, what were you thinking?" before uninstalling again.
Apparently, programmers do not think like normal people do and try to
turn a relatively simple tool into a video game.
Wes N7WS
On 9/26/2017 10:11 PM, Edward R Cole wrote:
Don't have the SDRPlay, but do have a SDR-IQ which operates using
Spectravue quite nicely. Noise floor below 550-KHz is -130 dBm and
with antenna noise varies -115 to -95 dBm in the 600m band.
I typically use it on the 28-MHz IF of my VHF and higher transverters.
I bought two LP-Pan1 (with mod to LP-Pan2) which are connected to my
K3 main and subreceiver's IF's. I can run them as panoramic band span
through a Delta soundcard for up to 192-KHz bandspan. The LP-Pan are
tied to a single LO for coherent dual IQ to recover diversity
reception.
73, Ed - KL7UW
http://www.kl7uw.com
Dubus-NA Business mail:
dubus...@gmail.com
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