From: Rob Renoud <k3rwr@md.metrocast.net>
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Date: Mon, 26 Mar 2018 10:05:06 -0400
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To: rsgb_lf_group@blacksheep.org
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Subject: Re: LF: K3RWR LF EbNaut Trial #2
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Markus,

Thanks for the report! I will be glad to continue the test for several more n=
ights if you can monitor on your end.  Does your analysis indicate that an h=
our tx period is perhaps too long?

Tnx & 73,
Rob - K3RWR


> On Mar 26, 2018, at 08:56, Markus Vester <markusvester@aol.com> wrote:
>=20
> Hi Rob,
>=20
> unfortunately none of the 30 character trials could be decoded here. Corre=
lation of the received waveforms against the known message showed that best E=
b/N0 was -2.9 dB for the 4:00 transmission. All other hours were significant=
ly further down and had different phases, so that blind stacking wouldn't ha=
ve helped either.
>=20
> Best 73,
> Markus (DF6NM)
>=20
>=20
> -----Urspr=C3=BCngliche Mitteilung-----=20
> Von: jrusgrove <jrusgrove@comcast.net>
> An: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
> Verschickt: Mo, 26. Mrz 2018 2:00
> Betreff: LF: K3RWR LF EbNaut Trial #2
>=20
> Rob, fellow EbNauteers
> =20
> Confirmation that Rob's transmission is working properly ... note BER 0.0%=
.
> =20
> =20
> ebnaut-rx V0.8
> input file C:\EbNaut\K3RWR\03252229.wav
> sample rate 2.314815 per second
> rx frequency 800
> file start time 2018-03-25 21:59:55.230
> polynomial 8K19A
> crc size 18
> number of chars 30
> block size 198
> symbol period 2.000
> number of symbols 1728
> start offset 6.498
> freq offset 0.000000
> cores 2
> list length 20000
> skipped 6.479999 seconds to start
> initial reference phase -39.0
> ---------------------------------------------
> found K3RWR_EBNAUT_LF_TRIAL_MAR_2018
> list rank 0
> reference phase 180,180,180,180
> carrier S/N 48.50 dB in 289.4 uHz, 13.11 dB in 1Hz, -20.87 dB in 2.5kHz
> carrier Es/N0 16.12 dB
> carrier Eb/N0 26.17 dB
> info bit period 20.21 seconds
> symbol error rate 0/1728 =3D 0.000 %
> Shannon capacity 9702.7 bits/hour
> Shannon efficiency 1.8 %
> symbols file C:\EbNaut\K3RWR\03252229-symbols.csv
> elapsed 12 seconds
> =20
> Jay W1VD
>=20

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div></div><div>Markus,</div><div><br></div=
><div>Thanks for the report! I will be glad to continue the test for several=
 more nights if you can monitor on your end. &nbsp;Does your analysis indica=
te that an hour tx period is perhaps too long?</div><div><br></div><div>Tnx &=
amp; 73,</div><div>Rob - K3RWR</div><div><br></div><div><br>On Mar 26, 2018,=
 at 08:56, Markus Vester &lt;<a href=3D"mailto:markusvester@aol.com">markusv=
ester@aol.com</a>&gt; wrote:<br><br></div><blockquote type=3D"cite"><div><di=
v style=3D"font-size:10pt;font-family:arial,helvetica,sans-serif;color:black=
;"><div style=3D"color: black; font-family: arial,helvetica,sans-serif; font=
-size: 10pt;">Hi Rob,</div><div style=3D"color: black; font-family: arial,he=
lvetica,sans-serif; font-size: 10pt;"><br>unfortunately none of the 30 chara=
cter trials could be decoded here. Correlation of the received waveforms aga=
inst the known message showed that best Eb/N0 was -2.9 dB for the 4:00 trans=
mission. All other hours were significantly further down and had different p=
hases, so that blind stacking wouldn't have helped either. </div><div style=3D=
"color: black; font-family: arial,helvetica,sans-serif; font-size: 10pt;"><b=
r>Best 73,<br>Markus (DF6NM)<br><br><br>-----Urspr=C3=BCngliche Mitteilung--=
--- <br>Von: jrusgrove &lt;<a href=3D"mailto:jrusgrove@comcast.net">jrusgrov=
e@comcast.net</a>&gt;<br>An: rsgb_lf_group &lt;<a href=3D"mailto:rsgb_lf_gro=
up@blacksheep.org">rsgb_lf_group@blacksheep.org</a>&gt;<br>Verschickt: Mo, 2=
6. Mrz 2018 2:00<br>Betreff: LF: K3RWR LF EbNaut Trial #2<br><br></div>
<div id=3D"AOLMsgPart_1.2_c9b51444-c6d8-4da2-ac0e-1fc5159a40d0">
<div class=3D"aolReplacedBody">
<div>Rob, fellow EbNauteers</div>
<div>&nbsp;</div>
<div>Confirmation that Rob's transmission is working properly ... note BER 0=
.0%. </div>
<div>&nbsp;</div>
<div>&nbsp;</div>
<div>ebnaut-rx V0.8<br>input file C:\EbNaut\K3RWR\03252229.wav<br>sample rat=
e 2.314815 per second<br>rx frequency 800<br>file start time 2018-03-25 21:5=
9:55.230<br>polynomial 8K19A<br>crc size 18<br>number of chars 30<br>block s=
ize 198<br>symbol period 2.000<br>number of symbols 1728<br>start offset 6.4=
98<br>freq offset 0.000000<br>cores 2<br>list length 20000<br>skipped 6.4799=
99 seconds to start<br>initial reference phase -39.0<br>--------------------=
-------------------------<br>found K3RWR_EBNAUT_LF_TRIAL_MAR_2018<br>list ra=
nk 0<br>reference phase 180,180,180,180<br>carrier S/N 48.50 dB in 289.4 uHz=
, 13.11 dB in 1Hz, -20.87 dB in 2.5kHz<br>carrier Es/N0 16.12 dB<br>carrier E=
b/N0 26.17 dB<br>info bit period 20.21 seconds<br>symbol error rate 0/1728 =3D=
 0.000 %<br>Shannon capacity 9702.7 bits/hour<br>Shannon efficiency 1.8 %<br=
>symbols file C:\EbNaut\K3RWR\03252229-symbols.csv<br>elapsed 12 seconds</di=
v>
<div>&nbsp;</div>
<div>Jay W1VD</div>
</div>
</div>

<br></div></div></blockquote></body></html>=

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