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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: WSPR -2 SNR |
| From: | "Roelof Bakker" <[email protected]> |
| Date: | Mon, 18 Mar 2013 18:03:13 +0100 |
| In-reply-to: | <[email protected]> |
| References: | <[email protected]> <FFC1611B9A6F4AB69BE4E33D769E1ABA@SV8CSHP> <BE2EB53F93EA48A984BB90D26B5E26D0@White> <CAK59VFPeJ8kzU1kVq_-8q+XVzDZnf2dTV0j7AFpX91wrFvH-0g@mail.gmail.com> <op.wt5atzkqyzqh0k@pc-roelof> <[email protected]> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
| User-agent: | Opera Mail/12.14 (Win32) |
Hello Stefan,The bandwidth of WSPR is 6 Hz and this will decrease the received noise with 26.2 dB compared to a bandwidth of 2500 Hz. A SNR of -33 dB suggests a bandwidth of 1.25 Hz when the reference bandwidth is 2500 Hz. However the bandwidth of WSPR is stated as 6 Hz. So something does not fit, however I can't figure out what this might be! 73, Roelof, pa0rdt |
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