[Lowfer] Wolf Reception with DX simulator

Stan stanw1le at verizon.net
Sat Feb 9 23:59:54 EST 2008


Hello The Net:

was copying XES fine with a 120 dB attenuator in line to the RX.

My attenuator is the DX simulator, at least in amplitude.

Conditions:
Dymek McKay DA100D active whip antenna outside  ~ 14' above ground.
Icom IC-703+ as a RX,  250 Hz INRAD filter in IF, audio to PC 
motherboard soundcard.
Attenuator is a HP-355D manual 10dB per step, DC-1 GHz, RG223 jumper 
coax cables
ferrites added to cut down RF conduction on the outer shield.

Some excerpts:

Attenuation progressively added in steps of 10 dB, to 100 dB

2008-02-10 01:33:47 >WOLF  -r 8004.764 -f 800.564 -t 1.0 -w 0.0000
t:  24 f:-0.009 a:-1.4 dp: 53.0 ci: 4 cj:401 WD2XES 137.577K -
t:  48 f:-0.009 a:-1.4 dp: 53.6 ci: 3 cj:401 WD2XES 137.577K -
t:  96 f:-0.009 a:-1.4 dp: 53.4 ci: 2 cj:401 WD2XES 137.577K -
t: 192 f:-0.010 pm:5.327 jm:157 q:  8.5  8.4 WD2XES 137.577K -
t: 288 f:-0.010 pm:5.545 jm:157 q:  6.5  6.1 WD2XES 137.577K -
t: 384 f:-0.010 pm:5.548 jm:157 q:  6.0  5.6 WD2XES 137.577K -
t: 480 f:-0.010 pm:5.549 jm:157 q:  5.6  4.8 WD2XES 137.577K -
t: 576 f:-0.010 pm:5.549 jm:157 q:  5.3  4.4 WD2XES 137.577K -
t: 672 f:-0.010 pm:5.551 jm:157 q:  4.9  4.1 WD2XES 137.577K -
t: 768 f:-0.010 pm:5.555 jm:157 q:  4.7  3.5 WD2XES 137.577K -
t: 864 f:-0.010 pm:5.558 jm:157 q:  4.5  3.3 WD2XES 137.577K -
t: 960 f:-0.010 pm:5.560 jm:157 q:  4.3  2.8 WD2XES 137.577K -
t:1056 f:-0.010 pm:5.560 jm:157 q:  4.2  2.6 WD2XES 137.577K -
t:1152 f:-0.010 pm:5.562 jm:157 q:  4.2  2.3 WD2XES 137.577K -
t:1248 f:-0.010 pm:5.563 jm:157 q:  4.1  2.3 WD2XES 137.577K -
t:1344 f:-0.010 pm:5.563 jm:157 q:  4.0  1.9 WD2XES 137.577K -
t:1440 f:-0.010 pm:5.564 jm:157 q:  4.0  1.6 WD2XES 137.577K -
t:1536 f:-0.010 pm:5.566 jm:157 q:  3.9  1.6 WD2XES 137.577K -
t:1632 f:-0.010 pm:5.569 jm:157 q:  3.9  1.2 WD2XES 137.577K -
t:1728 f:-0.010 pm:5.571 jm:157 q:  3.8  0.8 WD2XES 137.577K -
t:1824 f:-0.010 pm:5.572 jm:157 q:  3.8  0.5 WD2XES 137.577K -
t:1920 f:-0.010 pm:5.573 jm:157 q:  3.6  0.5 WD2XES 137.577K -
t:2016 f:-0.010 pm:5.575 jm:157 q:  3.7  0.5 WD2XES 137.577K -
t:2112 f:-0.010 pm:5.575 jm:157 q:  3.6  0.4 WD2XES 137.577K -
t:2208 f:-0.010 pm:5.577 jm:157 q:  3.6  0.3 WD2XES 137.577K -
t:2304 f:-0.010 pm:5.577 jm:157 q:  3.5  0.0 WD2XES 137.577K -
t:2400 f:-0.010 pm:5.581 jm:157 q:  3.4 -0.1 WD2XES 137.577K -
t:2496 f:-0.010 pm:5.586 jm:157 q:  3.3 -0.4 WD2XES 137.577K -
t:2592 f:-0.010 pm:5.587 jm:157 q:  3.3 -0.6 WD2XES 137.577K -
t:2688 f:-0.010 pm:5.595 jm:157 q:  3.4 -0.7 WD2XES 137.577K -
t:2784 f:-0.010 pm:5.596 jm:157 q:  3.5 -0.8 WD2XES 137.577K -
t:2880 f:-0.010 pm:5.597 jm:157 q:  3.4 -0.8 WD2XES 137.577K -
t:2976 f:-0.010 pm:5.598 jm:157 q:  3.4 -1.1 WD2XES 137.577K -
t:3072 f:-0.010 pm:5.602 jm:157 q:  3.3 -1.3 WD2XES 137.577K -
t:3168 f:-0.010 pm:5.603 jm:157 q:  3.3 -1.5 WD2XES 137.577K -
2008-02-10 02:26:48 >WOLF  -r 8004.764 -f 800.564 -t 1.0 -w 0.0000
t:  24 f: 0.031 a:-0.2 dp: 27.6 ci: 5 cj:188 3O5SAW7BN82I*Z* ?
t:  48 f: 0.005 a: 0.6 dp: 38.0 ci: 3 cj:465 PUE0 7Z/XIJBG.M ?

Removed attenuation to allow resync

t:  96 f: 0.002 a: 1.3 dp: 49.8 ci: 2 cj:465 WD2XES 137.577K -
t: 192 f: 0.000 pm:2.226 jm: 29 q:  1.0  0.7 WD2XES 137.577K -

Added attenuation to 100 dB

t: 288 f: 0.000 pm:8.900 jm: 29 q:  7.3  7.3 WD2XES 137.577K -
t: 384 f: 0.000 pm:8.978 jm: 29 q:  8.3  7.8 WD2XES 137.577K -
t: 480 f: 0.000 pm:8.980 jm: 29 q:  8.0  7.2 WD2XES 137.577K -
t: 576 f: 0.000 pm:8.981 jm: 29 q:  7.7  6.7 WD2XES 137.577K -
t: 672 f: 0.000 pm:8.982 jm: 29 q:  7.7  6.3 WD2XES 137.577K -
t: 768 f: 0.000 pm:8.982 jm: 29 q:  7.4  6.0 WD2XES 137.577K -
t: 864 f: 0.000 pm:8.987 jm: 29 q:  7.3  5.8 WD2XES 137.577K -
t: 960 f: 0.000 pm:8.987 jm: 29 q:  7.2  5.7 WD2XES 137.577K -
t:1056 f: 0.000 pm:8.988 jm: 29 q:  7.1  5.4 WD2XES 137.577K -
t:1152 f: 0.000 pm:8.988 jm: 29 q:  6.9  5.2 WD2XES 137.577K -
t:1248 f: 0.000 pm:8.989 jm: 29 q:  6.8  4.9 WD2XES 137.577K -
t:1344 f: 0.000 pm:8.989 jm: 29 q:  6.6  4.6 WD2XES 137.577K -
t:1440 f: 0.000 pm:8.991 jm: 29 q:  6.6  4.3 WD2XES 137.577K -
t:1536 f: 0.000 pm:8.991 jm: 29 q:  6.3  4.2 WD2XES 137.577K -
t:1632 f: 0.000 pm:8.992 jm: 29 q:  6.3  4.0 WD2XES 137.577K -
t:1728 f: 0.000 pm:8.994 jm: 29 q:  6.5  4.0 WD2XES 137.577K -
t:1824 f: 0.000 pm:8.997 jm: 29 q:  6.6  3.8 WD2XES 137.577K -
t:1920 f: 0.000 pm:8.999 jm: 29 q:  6.5  3.6 WD2XES 137.577K -
t:2016 f: 0.000 pm:8.999 jm: 29 q:  6.4  3.4 WD2XES 137.577K -
t:2112 f: 0.000 pm:9.001 jm: 29 q:  6.4  3.3 WD2XES 137.577K -
t:2208 f: 0.000 pm:9.003 jm: 29 q:  6.4  3.2 WD2XES 137.577K -
t:2304 f: 0.000 pm:9.007 jm: 29 q:  6.4  3.1 WD2XES 137.577K -
t:2400 f: 0.000 pm:9.007 jm: 29 q:  6.2  2.8 WD2XES 137.577K -
t:2496 f: 0.000 pm:9.019 jm: 29 q:  6.2  2.7 WD2XES 137.577K -
t:2592 f: 0.000 pm:9.019 jm: 29 q:  6.2  2.6 WD2XES 137.577K -
t:2688 f: 0.000 pm:9.020 jm: 29 q:  6.2  2.4 WD2XES 137.577K -
t:2784 f: 0.000 pm:9.020 jm: 29 q:  6.1  2.3 WD2XES 137.577K -
t:2880 f: 0.000 pm:9.021 jm: 29 q:  6.3  2.2 WD2XES 137.577K -
t:2976 f: 0.000 pm:9.022 jm: 29 q:  6.3  2.1 WD2XES 137.577K -
t:3072 f: 0.000 pm:9.024 jm: 29 q:  6.4  1.9 WD2XES 137.577K -
t:3168 f: 0.000 pm:9.024 jm: 29 q:  6.3  1.8 WD2XES 137.577K -
2008-02-10 03:19:48 >WOLF  -r 8004.764 -f 800.564 -t 1.0 -w 0.0000
t:  24 f:-0.270 a: 0.4 dp: 28.0 ci: 5 cj:476 *SQBFS2QD85W.DO ?
t:  48 f: 0.117 a:-0.8 dp: 24.6 ci: 6 cj:247 IY0E79IT C*ZETV ?
t:  96 f: 0.156 a: 1.0 dp: 23.3 ci:10 cj:410 3FAMI5*HB7XI3MZ -

Could not resync with attenuation in line.

t: 192 f: 0.225 pm:0.022 jm:291 q:-13.9 -8.9 K *.96Q6U2EM.HV ?
t: 288 f: 0.986 pm:0.034 jm:282 q:-11.2 -6.7 P5MFSC9P0P0SFBT -
t: 384 f: 0.986 pm:0.035 jm:282 q:-10.8 -8.8 333FC7A7X6B22UU ?
t: 480 f: 0.439 pm:0.036 jm:693 q: -8.9 -7.9 749NIL5BD4XWYZ5 ?
t: 576 f:-0.293 pm:0.038 jm:604 q: -9.6 -8.2 ???GJWQVU/.R9D4 ?
t: 672 f: 0.869 pm:0.042 jm:198 q: -9.1 -7.1 4E97R0SDYE*/JF1 ?
t: 768 f:-0.352 pm:0.051 jm: 22 q: -8.6 -6.1 HZRNQRA/TB4SBOP ?
t: 864 f: 0.869 pm:0.052 jm:198 q: -8.4 -8.4 3*CYGSO/T*T/74J ?
t: 960 f: 0.869 pm:0.056 jm:198 q: -7.6 -8.4 DKURLQR*T6/.LM1 ?
t:1056 f: 0.869 pm:0.062 jm:198 q: -7.2 -8.7 8HTETM6JIK1QK 2 ?
t:1152 f: 0.869 pm:0.063 jm:198 q: -6.6 -9.1 M4P/PM2GJW89QXI ?
t:1248 f: 0.107 pm:0.065 jm:317 q: -5.2 -7.7 KT45H/WJ1VIZ8D0 ?
t:1344 f:-0.088 pm:0.071 jm:681 q: -6.1 -8.2 16Y9.*VERMQ5FYZ ?
t:1440 f:-0.088 pm:0.072 jm:681 q: -5.8 -7.2 1*AF1V032VEYWEU ?
2008-02-10 03:44:31 >WOLF  -x "QUICK BROWN FOX" -r 8000 -f 800 -a 8 -t 0.1
2008-02-10 03:44:32 >WOLF  -r 8004.764 -f 800.564 -t 1.0 -w 0.0000
t:  24 f: 0.124 a:-1.3 dp: 28.5 ci: 0 cj:364 81W7T4NL4IYW86W ?
2008-02-10 03:44:33 >WOLF  -x "QUICK BROWN FOX" -r 8000 -f 800 -a 8 -t 0.1

with 0 dB attenuator in line:
2008-02-10 03:44:33 >WOLF  -r 8004.764 -f 800.564 -t 1.0 -w 0.0000
t:  24 f:-0.001 a: 0.3 dp: 52.2 ci: 7 cj: 77 XES WINTER WOLF -
t:  48 f:-0.001 a: 0.4 dp: 51.9 ci: 6 cj: 77 XES WINTER WOLF -
t:  96 f:-0.001 a: 0.3 dp: 50.6 ci: 5 cj: 77 XES WINTER WOLF -
t: 192 f: 0.000 pm:3.561 jm:805 q:  8.4  7.9 XES WINTER WOLF -

Added 110 dB attenuator in line.

t: 288 f: 0.000 pm:3.899 jm:805 q:  5.9  5.3 XES WINTER WOLF -
t: 384 f: 0.000 pm:3.901 jm:805 q:  5.5  4.6 XES WINTER WOLF -
t: 480 f: 0.000 pm:3.905 jm:805 q:  4.8  4.1 XES WINTER WOLF -
t: 576 f: 0.000 pm:3.905 jm:805 q:  4.3  3.5 XES WINTER WOLF -
t: 672 f: 0.000 pm:3.905 jm:805 q:  4.0  3.1 XES WINTER WOLF -
t: 768 f: 0.000 pm:3.906 jm:805 q:  3.7  2.7 XES WINTER WOLF -
t: 864 f: 0.000 pm:3.909 jm:805 q:  3.6  2.5 XES WINTER WOLF -
t: 960 f: 0.000 pm:3.909 jm:805 q:  3.3  2.1 XES WINTER WOLF -
t:1056 f: 0.000 pm:3.910 jm:805 q:  3.2  1.6 XES WINTER WOLF -
t:1152 f: 0.000 pm:3.910 jm:805 q:  3.1  1.3 XES WINTER WOLF -
t:1248 f: 0.000 pm:3.911 jm:805 q:  3.1  1.1 XES WINTER WOLF -
t:1344 f: 0.000 pm:3.915 jm:805 q:  3.2  1.0 XES WINTER WOLF -
t:1440 f: 0.000 pm:3.916 jm:805 q:  3.3  0.8 XES WINTER WOLF -
t:1536 f: 0.000 pm:3.917 jm:805 q:  3.3  0.4 XES WINTER WOLF -
t:1632 f: 0.000 pm:3.921 jm:805 q:  3.3  0.1 XES WINTER WOLF -
t:1728 f: 0.000 pm:3.922 jm:805 q:  3.3 -0.2 XES WINTER WOLF -
t:1824 f: 0.000 pm:3.924 jm:805 q:  3.1 -0.6 XES WINTER WOLF -
t:1920 f: 0.000 pm:3.925 jm:805 q:  3.0 -1.1 XES WINTER WOLF -

With 120 dB attenuator in line at RF

t:2016 f: 0.000 pm:3.926 jm:805 q:  3.1 -1.3 XES WINTER WOLF -
t:2112 f: 0.000 pm:3.926 jm:805 q:  3.0 -1.6 XES WINTER WOLF -
t:2208 f: 0.000 pm:3.928 jm:805 q:  2.9 -1.7 XES WINTER WOLF -
t:2304 f: 0.000 pm:3.929 jm:805 q:  2.8 -2.0 XES WINTER WOLF -
t:2400 f: 0.000 pm:3.933 jm:805 q:  2.9 -2.2 XES WINTER WOLF -
t:2496 f: 0.000 pm:3.934 jm:805 q:  2.9 -2.4 XES WINTER WOLF -
t:2592 f: 0.000 pm:3.934 jm:805 q:  2.9 -2.7 XES WINTER WOLF -
t:2688 f: 0.000 pm:3.936 jm:805 q:  2.9 -2.9 XES WINTER WOLF -
t:2784 f: 0.000 pm:3.936 jm:805 q:  2.8 -2.8 XES WINTER WOLF -
t:2880 f: 0.000 pm:3.936 jm:805 q:  2.9 -2.9 XES WINTER WOLF -
t:2976 f: 0.000 pm:3.937 jm:805 q:  2.8 -3.2 XES WINTER WOLF -
t:3072 f: 0.000 pm:3.938 jm:805 q:  2.8 -3.1 XES WINTER WOLF -
t:3168 f: 0.000 pm:3.939 jm:805 q:  2.8 -3.1 XES WINTER WOLF -
2008-02-10 04:37:34 >WOLF  -r 8004.764 -f 800.564 -t 1.0 -w 0.0000
t:  24 f:-0.231 a: 1.6 dp: 28.3 ci: 9 cj:344 QXY*ZS149???3CD ?
t:  48 f:-0.086 a:-1.4 dp: 26.1 ci: 3 cj:267 3A9P*88E4NTMKJ7 ?
t:  96 f:-0.089 a:-1.0 dp: 24.2 ci:10 cj: 18 MGH47EKVN7P*3IG ?
t: 192 f: 0.615 pm:0.025 jm:839 q:-14.2 -6.7 WTH??? A/TUBWAM -

Could not sync up with 120 dB attenuator in line.  Removed all attenuation.

t: 288 f: 0.000 pm:1.090 jm:681 q: -0.9 -2.3 XES WINTER WOLF -

resynced fine.







ZZZZz


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