Le 2016-09-29 à 22:42, Mark Connelly a écrit :
I would presume that HDSDR can do scheduling on SDRplay since it does it with
Perseus.
In fact the only thing for which I use HDSDR is scheduling. I always play back
Perseus captures with the Perseus software.
I'm guessing I would do the same thing with SDRplay: use HDSDR for scheduled
recordings (if it can actually do those) and SDRuno for playback. Or wait for
SDRuno to get updated with that capability if that's what needs to be done.
Dynamic range isn't that much of an issue here since unamplified terminated
loops don't deliver massive maximum signals. The local station WBAS on 1240 is
not that much stronger than the bigger night skip signals such as WBBR 1130.
The noise level at night is largely set by a combination of local electrical
noise, station slop, and lightning static. If an incoming signal is
sub-microvolt, it is most likely sub-noise. This isn't central Alaska, the
Australian outback, or Easter Island. The most densely populated (and
RF-loaded) area of the US is the I-95 VA to MA corridor and that's all within
500 miles.
Based on several DXers' comments I think I will give the SDRplay a try. It's certainly
not big money to have another SDR in the "stable" even just to cover the case
of the Perseus going down during a DXpedition or an above-average DX session at home.
VHF capability is certainly another selling point.
I purchased one myself, mainly to get slowly into FMdx. Using a 10
elements Yagi on the FM band in a rural area, it performs very well but
the brief experience I had hooking the SDRplay to one of my Beverage has
been another story. Actually at night on mediumwave, it overloaded quite
notably while the Perseus handled that same signal in a flawless
fashion. Although it is very preliminary (just one try), it suggest that
the price tag of both items can justify such result.
I am however pleased with the SDRplay, especially since they obtained
the rights over the excellent StudioOne software, rebranded SDRuno and
slightly tweaked for the SDRPlay package. Connected to the Perseus
hardware, audio from weak signals seems to be best recovered than from
the native Perseus software to my ears. SDRuno offers however limited
capability (i.e.1 MS/s max bandwidth) since the Perseus is an "extra"
hardware. With the SDRplay, it can run up to a 10 MHz bandwidth but it
is actually too much for my aging laptop. 4 MHz is OK though.
Sylvain Naud
Portneuf,QC
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