[hamradio-commits] [dump1090] 05/389: Use 1.408 factor to create the magnitude look up talbe.

[Matthew Ernisse]

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mernisse-guest pushed a commit to branch master
in repository dump1090.

commit f01670e425dde91daa78c3cc7b5d49e7000145bc
Author: antirez <antirez at gmail.com>
Date:   Sat Jan 5 17:03:03 2013 +0100

    Use 1.408 factor to create the magnitude look up talbe.
    
    Previously 1.4 was used that prevented to use the full 0-255 scale.
    Thanks to @keenerd for reporting this issue.
---
 mode1090.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mode1090.c b/mode1090.c
index 64355f6..0f087cf 100644
--- a/mode1090.c
+++ b/mode1090.c
@@ -223,7 +223,7 @@ void modesInit(void) {
     Modes.maglut = malloc(129*129);
     for (i = 0; i <= 128; i++) {
         for (q = 0; q <= 128; q++) {
-            Modes.maglut[i*129+q] = round(sqrt(i*i+q*q)*1.4);
+            Modes.maglut[i*129+q] = round(sqrt(i*i+q*q)*1.408);
         }
     }
 }

-- 
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