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Re: Sound card dongles I discovered that the USA Amazon supplier is shipping again to UK, so placed an order from here

2:36 AM

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Re: Sound card dongles I just got an outrageous reply from bestDVR, the supplier of the incorrect USB sound dongles: "Dear Friend, Good day, You can install the software in the CD,

1:25 AM

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Re: Birds... and bats Unlike the previous evening which saw busy bats (or whatever), this evening was relatively quiet. Still, there were indeed a dozen or so instances of missing

Tom Becker
9:47 PM

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Re: suggestions for GPS pps pulse another possibility is to use RS-422 or RS-485 line drivers and receivers. I don't have any first hand knowledge but this was suggested by someone when I asked

5:06 PM

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Re: Birds... and bats OK, is running, a single mic element feeding both preamp inputs. Very noisy on /amb9 but I see the lighter click test is present on

Tom Becker
2:52 PM

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Re: Birds... and bats ... I'll be following that test with interest. If pulses are still missing it would point to a fault somewhere in vlfrx-tools. -- Paul Nicholson --

2:30 PM

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Re: Birds... and bats ... A multi-element array will exhibit a pattern, sure, but I built two single-element mics (see image) to remove directionality as a possible explanation for

Tom Becker
1:24 PM

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Re: Birds... and bats ... You can consider the wavelength L of the sound wave. Given the speed of sound c=343 m/s at 20°C (331m/s at 0°C) and the frequency F 23000Hz L = c/F =

Claudio Pozzi
8:40 AM

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Re: Sound card dongles Interesting when I bought last year both bubble-packs were properly sealed. The C-Media HS100 is a much shorter dongle so there would have been no way of

Alan Melia
8:05 AM

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Sound card dongles I see Paul has provided a suitable review for this Amazon web site! Also looking at the other photos on the Amazon web - the package is identical to the eBay

Terry GW0EZY
7:15 AM

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subject=Re: [VLF_Group] Re: Simple SID monitor with the Raspberry Pi Hi, From my experience the CM108 is pretty useless. I've tried them in my Raspberry Pi in a VLF receive setup , and the spectrogram up to 24 Khz shows a whole

6:06 AM

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Re: Simple SID monitor with the Raspberry Pi Interesting Terry the header does not say its an SD-AUD20101 and the pic is of this device plus the description still has the "24bit 192ksps" but his revews

Alan Melia
5:13 AM

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Re: Simple SID monitor with the Raspberry Pi The cards have been delivered today and tested on an Intel Atom + Ubuntu + vlfrx-tools I ordered three dongles from Amazon

Terry GW0EZY
4:44 AM

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Re: Simple SID monitor with the Raspberry Pi Hi Both, Oh what a surprise :-).....sorry my cynical side showing again....I complained to Amazon using their proceedure but then corresponded directly with

Alan Melia
4:43 AM

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Re: Simple SID monitor with the Raspberry Pi Oh dear! I am expecting my Amazon dongles today, I guess I will have the same problem as I followed your previous link. Alan G3NYK said that after he

Terry GW0EZY
Mar 3
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