Ross,

> Can someone please enlighten me what is the lowest db that WSPR can 
> expect a decode?

Joe Taylor would know, but I believe the limit is -33db.

1840   4 -33   0.4  10.140184  GI8HXY IO64 37            -9.5
2002   2 -33   3.0  10.140192  OZ1PIF JO65 25             3.8

The figure represents the signal-to-noise ratio within 2500hz bandwidth 
seen by the sound card.

Tony -K2MO


----- Original Message ----- 
From: "Ross Biggar" <[EMAIL PROTECTED]>
To: <digitalradio@yahoogroups.com>
Sent: Tuesday, April 01, 2008 3:10 AM
Subject: [digitalradio] WSPR db minimum


> Can someone please enlighten me what is the lowest db that WSPR can 
> expect a decode?
> I am decoding down to -28 is this good, bad, or "ugly"?
>
> Thanks
> Ross
> ZL1WN
>
> 

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