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Re: Received my HF+ and testing with 2 elements 40m monoband
Alan....external attenuation?
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Re: AirSpyHF+ macOS Server
Tudor Vedeanu
Great, I’ve been wanting to try SdrDx for a long time. Thanks!
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~Tudor
On 10 January 2018 at 19:22:24, Chris Smolinski (csmolinski@...) wrote:
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Re: Received my HF+ and testing with 2 elements 40m monoband
Our other software doesn't measure SNR directly but it is around the same.
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Re: Received my HF+ and testing with 2 elements 40m monoband
Alan G4ZFQ
received my HF+Ruben, Look at the noise level, 40dB or more attenuation should be used. 73 Alan G4ZFQ
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Re: OMNIRIG - SDR# Airspy HF+ Transceiver frequency sync
Donald Rasmussen
Hi Ruben - it is direct SDRSharp Plugin to Yaesu CAT. I modified the C# .NET code (for Kenwood) from the UzixLS project.
Connecting OMNIRIG to the Plugin may be possible. I may look at the OMNIRIG source code sometime but at present enjoying the operation. de Wb8yqj Don
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Re: Mini or R2
Ronneil Camara <ronneilcamara@...>
Thank you David. My goal is to be able to build a setup that will allow me to capture full disk of earth from GOES satellite. I read from few blogs the Mini is capable. I hope those bloggers are telling the truth. Anyways, I'm worried about the other thread I saw about Airspy Mini and drivers not working well. Is Airspy Mini supported well in linux/mac and other unix variants like FreeBSD?
On Wed, Jan 10, 2018 at 4:19 AM, David J Taylor via Groups.Io <gm8arv@...> wrote: Hi,
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Re: Airspy Mini USB issues
cnick6
Bart, do you think mine has already overheated and is thus somewhat flakey..? I wasn't aware of any other issues... so please let me know.
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Re: AirSpyHF+ macOS Server
Greg Whynott
Nice work Chris, thanks. I just spent some time trying and failing to do the same at home as my Mac is on the 'better side of the house'. Will give it a go tonight. greg
On Wed, Jan 10, 2018 at 12:22 PM, Chris Smolinski <csmolinski@...> wrote: I've just released my macOS server app for the AirSpyHF+. This app lets you use your AirSpyHF+ on the Mac with the SdrDx SDR app, without any need for Windows. Works with 10.6 through 10.13.
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Re: HF+ Latency
Leif Asbrink
Hi Shirley and All,
Latency is very important when we use SDR receivers together with transmitters. You might be interested in this: http://sm5bsz.com/lir/rxdel/rxdel.htm I made several videos on the subject. This is one of them: https://www.youtube.com/watch?v=v_DlDSqJ8yk DSP does not have to introduce much more latency than analog receivers. Some hardware causes delay by use of large buffers. SDR-IP (Ethernet) at low sampling rates: https://www.youtube.com/watch?v=v_DlDSqJ8yk Low latency is needed for this: https://www.youtube.com/watch?v=6R9cg7PpA2s You write: First, the A/D conversion takes some time (but aNO, it does not take any time. Second, the digital data has to get to the softwareYES!! The same is always true. For soundcards also. In many cases the user program can select the buffer size, but with some other hardware there is no such option. The SDR software probably bunches up a number of samplesClever programmers use the buffer size provided by hardware for processing. There should not be any extra delay here. Finally, the digital processing involvesActually almost non-zero today. Latency is mostly a buffer problem. When latency becomes important to users I thin we will see that SDRs are not much different from analog receivers. 73 Leif The IC-7600 uses DSP so its latency will also be non-zero, though
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moderated
Re: HF+ Delayed Airmail Delivery?
Mike Bott <mike_bott@...>
On 01/09/2018 10:51 PM, jdow wrote:
That proposed delivery time was an estimate. I don't see it as a promise. There was a far larger response than anticipated. They came closer than I was figuring they'd be. They ran afoul of "The best laid schemes o' mice an' men / Gang aft agley" in this regard.And in the interest of fair play, I'm pleased that the Airspy HF+ has found its way to the house today. :) -- Mike
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Re: Received my HF+ and testing with 2 elements 40m monoband
W0LEV
Outside of the garbage at the very left below 7.000 MHz, I don't see indications of saturation. Possibly post a screen capture of both SDR receivers using the same SW and on the same antenna. That could help us see the problem. Dave - WØLEV
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Re: AirspyHF+
Only using HF side at the moment, so only HF antenna for now.
ggh
On 1/10/2018 17:09, michaeld wrote:
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Re: AirspyHF+
michaeld
Not seeing much, opens in the FM band but not seeing many signals, .It does connect though.
On Wed, Jan 10, 2018 at 2:18 PM, Gary <gghiggs@...> wrote: Got mine today....so airmail to Texas didn't take that long, shipped out from Hong Kong on 1-4-18 and today is 1-10-18, so about 6 days. Someone please try my spyserver….w5ggh.ddns.net and please report operating status. Haven't tried SpectrumSpy or AstroSpy yet, but assume they work from VHF side only. Nice touch including a usb cable. Running an RTL-SDR.com AM filter in-line on HF....all seems well so far. Anyone have plugin suggestions to make things even better?
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Re: HF+ Latency
John Fonseca <fonsecanyc@...>
Alex,
That's a very interesting point. I had intentionally left the bandwidth on each SDR at max for each device because I wanted to compare each device at it's highest sample rate. I hadn't considered that would impact relative latency. I replicated what you had done using two instances of SDR Console with both receivers running at the same time. With the BW matched they were indeed very close. When I ran the test again with the difference between the two SDRs at matched sample rate was only 20ms with the CloudIQ having less latency. For my use case the actual bandwidth at 768 is plenty since the HF bands I operate on are less than that. I was aware of the HF+'s limitation in that regard when I ordered it and it didn't matter to me. But there's no reason to lower the bandwidth on the CloudIQ just to make is as "bad" as the HF+ in terms of latency. The reason I posted was really just out of curiosity to see if anyone else had measured latency and I included my results only as a non-scientific observation. I'm still trying to figure out of the HF+ is any better than the CloudIQ in practical terms. I think they're both excellent and the difference in the HF+'s architecture is certainly interesting as is the very low price point. John AC2SV
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Re: Received my HF+ and testing with 2 elements 40m monoband
On Wed, Jan 10, 2018 at 02:29 pm, Ruben Navarro Huedo (EA5BZ) wrote:
Hello friends:What's the SNR of that signal in the other SDRs?
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Received my HF+ and testing with 2 elements 40m monoband
Hello friends:
Today i have received my HF+ We have been testing it with a 2 elements monoband beam 30m over the ground. We are suffering saturation from broadcasting on 7200 and UP. We own other SDR and have tested also today and they don't have this problem. What do you think? 
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AirspyHF+
Got mine today....so airmail to Texas didn't take that long, shipped out from Hong Kong on 1-4-18 and today is 1-10-18, so about 6 days. Someone please try my spyserver….w5ggh.ddns.net (HF antenna only) and please report operating status. Haven't tried SpectrumSpy or AstroSpy yet, but assume they work from VHF side only. Nice touch including a usb cable. Running an RTL-SDR.com AM filter in-line on HF....all seems well so far. Anyone have plugin suggestions to make things even better?
Gary W5GGH
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Re: Spyserver as a Windows Service
jdow
Doing this with applications that bring up user interfaces this may not work. In one case I had to blow away a windows install and start over because it would lock up on boot every time I restarted the machine. These days that's not so much of a problem. I simply bring up a live Linux CD and remove the offending file.
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{^_^}
On 2018-01-10 08:00, Daniel Fox wrote:
https://www.howtogeek.com/50786/using-srvstart-to-run-any-application-as-a-windows-service/
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Re: Spyserver as a Windows Service
jdow
Well, there is only one way I know of to do this. You must set your PC to automatically log you in. Only services can run before login takes place and neither spyserver nor sdrsharp is not a windows service. Google to figure out how to setup automatic login. I never use it so I don't know how to set it up off the top of my head. I look it up every time we create a brand new software images for our RSD AudioBoxes.
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{^_^}
On 2018-01-10 06:51, Paul Mclaren MM0ZBH wrote:
Thanks I will try that but I think that will only work after a user logs on (but I may be wrong). I need it to start when the PC turns on.
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Re: OMNIRIG - SDR# Airspy HF+ Transceiver frequency sync
How are you doing it?
Using Omnirig or directly from FT2000 cat?
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