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SNR estimator is broken for isync=2 messages, due to different signal normalization. For now, go back to SJF's old signal/(noise+interference) estimator.

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Steve Franke 2018-07-04 16:58:24 -05:00
parent a448dc5640
commit ed92d5a86c
1 changed files with 1 additions and 1 deletions
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lib/ft8/ft8b_2.f90
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@ -343,7 +343,7 @@ subroutine ft8b_2(dd0,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,lapcqonly, &
! need to reconcile signal normalization between this routine and the old ft8b_1 so ! need to reconcile signal normalization between this routine and the old ft8b_1 so
! that SNRs come out the same. ! that SNRs come out the same.
xsnr2=db(xsig/xbase - 1.0) - 32.0 xsnr2=db(xsig/xbase - 1.0) - 32.0
if(.not.nagain) xsnr=xsnr2 ! if(.not.nagain) xsnr=xsnr2
if(xsnr .lt. -24.0) xsnr=-24.0 if(xsnr .lt. -24.0) xsnr=-24.0
return return