Search found 58 matches

by OH2BUA
Thu Apr 12, 2018 6:08 am
Forum: SDRplay related
Topic: RSP2A and RPi 3 B+
Replies: 15
Views: 2751

Re: RSP2A and RPi 3 B+

Hi,

I have something to ask about the RasPi-image:

1) Is it based and compatible with some well-known distro? Raspbian I hope?

2) Is there included a thing which allows one to receive USB by using command line interface?

73, Jukka
by OH2BUA
Tue Apr 10, 2018 4:26 pm
Forum: SDRplay related
Topic: Front end protection during TX?
Replies: 5
Views: 983

Re: Front end protection during TX?

@SDRFreq,

RSP2 HiZ-input can be used under 30MHz only, it's 1000 ohm balanced and there's no bias-T in it.

Very deaf it is not, have look at world Top 20: https://www.pskreporter.info/cgi-bin/pskstats.pl

73, Jukka
by OH2BUA
Tue Apr 10, 2018 6:31 am
Forum: SDRplay related
Topic: Front end protection during TX?
Replies: 5
Views: 983

Re: Front end protection during TX?

I have protected my RSP2 HiZ-input by using two pieces of 1N4148 diodes, in opposite polarities. RX antenna is a Double-KAZ (LF-MW-160m). TX source is OCF Windom, 30 meters separated, 100 watts out, 1.8-30MHz). This has been enough protection - but no warranty by me for anybody. (In rare situations ...
by OH2BUA
Sat Jan 06, 2018 3:16 pm
Forum: General
Topic: RSP2 RF Protection Question
Replies: 11
Views: 4258

Re: RSP2 RF Protection Question

Thank you Jon for the answer! For 50 ohm unbalanced inputs there are several off-the-shelf products as well as DIY receipts available about how to protect the RX. But how about the Hi-Z-input? I don't know any commercial products for that. I have handled it like this: The GND is connected to a prope...
by OH2BUA
Sun Dec 31, 2017 11:45 am
Forum: General
Topic: RSP2 RF Protection Question
Replies: 11
Views: 4258

Re: RSP2 RF Protection Question

Dear Tech_Support,

RSP2 does have three antenna inputs, which is a really great thing.

Are they all equally vulnerable for high RF levels - or just the 'selected' one?

73, Jukka
by OH2BUA
Wed Dec 20, 2017 3:34 pm
Forum: General
Topic: Recorder Audio Files
Replies: 11
Views: 2641

Re: Recorder Audio Files

What SDRuno records is a wideband I/Q recording which is a really great and seriously FAT thing - but not an audio recording, even though the filename extension is .WAV. HDSDR is much more flexible when it comes into recordings. You can record I/Q and audio, and schedule recordings with powerful adj...
by OH2BUA
Tue Dec 19, 2017 3:51 pm
Forum: General
Topic: Heterodyne or direct sampling?
Replies: 1
Views: 1019

Re: Heterodyne or direct sampling?

I share Andy's curiosity with the same matters.

BTW... it think 2017 might be remembered as the year of really nice promiseware releases. Really high spec gear with easy pricing... most of them not yet shipping for some reason.

73, Jukka
by OH2BUA
Fri Nov 24, 2017 9:20 am
Forum: SDRuno
Topic: Occupied Uno
Replies: 4
Views: 1989

Re: Occupied Uno

Oh:-I But thanks for answering. I have even thought buying a half-broken RSP (RF-end burned or like), but I don't have plans to visit my remote site in person during the winter months. Luckily, two HDSDRs can be cheated to run at a same time. Hey, actually my favorite solution would be: Just launch ...
by OH2BUA
Fri Nov 24, 2017 7:35 am
Forum: SDRuno
Topic: Occupied Uno
Replies: 4
Views: 1989

Re: Occupied Uno

Anything new for this - as SDRuno is recently updated? My RSP2 is very busy almost all the time, monitoring and recording this and that, automatized, occupied by HDSDR. Meanwhile, I would like to use SDRuno to listen my I/Q recordings. But, SDRuno refuses to start as there are "Not any RSPs ava...
by OH2BUA
Wed Nov 15, 2017 12:47 pm
Forum: SDRuno
Topic: NA MW broadcast mem panel data
Replies: 1
Views: 1139

NA MW broadcast mem panel data

Hi, in case you reside in Europe and like to listen North American MW BC stations, the included SDRuno S1B memory bank file might be of use for you. It is a list of all 10kHz spacing MW frequencies with descriptions containing NA station calls and locations, which have been heard this year in southe...

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