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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