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The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Hi Stefan, we'd like to look from DL0AO. Could you advise on time, exact frequency and message parameters?  73, Markus -----Ursprüngliche Mitteilung----- Von: DK7FC An: rsgb_lf_group Verschickt: Sa, 6. Apr. 2019 14:05 Betreff: Re: VLF: Ground loop improvements and test carrier... Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [74.6.134.41 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (markusvester[at]aol.com) 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: c40596c1cc3306f1877076595a921c57 Subject: Re: VLF: Ground loop improvements and test carrier... Content-Type: multipart/alternative; boundary="----=_Part_1033557_934015168.1554575549614" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: *** X-Spam-Status: No, hits=3.5 required=5.0 tests=FORGED_MUA_MOZILLA,HTML_30_40, HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false ------=_Part_1033557_934015168.1554575549614 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi Stefan, we'd like to look=C2=A0from DL0AO. Could you advise on=C2=A0time= , exact frequency and message parameters?=C2=A0 73, Markus -----Urspr=C3=BCngliche Mitteilung----- Von: DK7FC An: rsgb_lf_group Verschickt: Sa, 6. Apr. 2019 14:05 Betreff: Re: VLF: Ground loop improvements and test carrier... Hi Paul, Thanks for your measurements. Good idea to calculate B relative to I. Would be interesting to see how this varies with frequency. BTW i did now actually order one of those:=20 https://www.dhgate.com/product/60-v-60ah-lifepo4-60-v-60ah-lifepo4-de-litio= /445395613.html#s2-21-1b;searl|3512104843=20 Wonder how long it takes to arrive here, and even more, if it actually=20 has 60 Ah at 60V, i.e. 3.6 kWh!! If so, i will order 3 more of them!... Considering the 13 dB advantage of night/day in recent transmissions=20 with that ground loop antenna, at least on 8270 Hz, I'd like to try a=20 night transmission tonite, at 2970 Hz, trying a 7 character EbNaut=20 message. So far we have no message decode at ULF between DL and UK. I'd=20 like to reach that mile stone and think the ERP should be fine now, but=20 hopefully the QRN stays low enough. Everyone else is invited to try as well!!! 73, Stefan Am 05.04.2019 19:06, schrieb Paul Nicholson: > > Stefan wrote: > > > These were the transmissions today (+ some more parameters): > > Received at 5170.1 Hz, > >=C2=A0 2019-04-05_10:39,+35m: 1130m, I=3D2,39 A, 0.63 fT S/N -5.07 dB/1Hz >=C2=A0 2019-04-05_11:19,+51m: 900m, I=3D2,92 A, 0.63 fT S/N -4.92 dB/1Hz > > Yes, the same fT in both tests.=C2=A0 Then we have > > 900m > ---- >=C2=A0 2.74 A -> 0.50 fT,=C2=A0 0.182 fT/A >=C2=A0 2.92 A -> 0.63 fT,=C2=A0 0.216 fT/A > > 1130m > ----- >=C2=A0 2.12 A -> 0.50 fT,=C2=A0 0.236 fT/A >=C2=A0 2.39 A -> 0.63 fT,=C2=A0 0.264 fT/A > > > Nothing received at 970.1 Hz. > > --=20 > Paul Nicholson > --=20 > ------=_Part_1033557_934015168.1554575549614 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi Stefan, we'd like to look from DL0AO= . Could you advise on time, exact frequency and message parameters?&nb= sp; 73, Markus


-----Urspr=C3= =BCngliche Mitteilung-----
Von: DK7FC <selberdenken@poste= o.de>
An: rsgb_lf_group <rsgb_lf_group@blacksheep.org&= gt;
Verschickt: Sa, 6. Apr. 2019 14:05
Betref= f: Re: VLF: Ground loop improvements and test carrier...
Hi Paul,

Thanks for your measurements.Good idea to calculate B relative to I.
Would be interesting to see how this varies with fre= quency.

BTW i = did now actually order one of those:
https://www.dhgate.com/product= /60-v-60ah-lifepo4-60-v-60ah-lifepo4-de-litio/445395613.html#s2-21-1b;searl= |3512104843
Wonder how long it takes to = arrive here, and even more, if it actually
h= as 60 Ah at 60V, i.e. 3.6 kWh!! If so, i will order 3 more of them!...

Considering the 13= dB advantage of night/day in recent transmissions
with that ground loop antenna, at least on 8270 Hz, I'd like to tr= y a
night transmission tonite, at 2970 Hz, t= rying a 7 character EbNaut
message. So far w= e have no message decode at ULF between DL and UK. I'd
like to reach that mile stone and think the ERP should be fine n= ow, but
hopefully the QRN stays low enough.<= br clear=3D"none" abp=3D"179">
Everyone else = is invited to try as well!!!

73, Stefan



<= div class=3D"yqt2147474702" id=3D"yqtfd56702" abp=3D"187">
Am 05.04.2019 19:06, schrieb Paul Nicholson:
>
> Stefan wrote:
>
> > These w= ere the transmissions today (+ some more parameters):
>
> Received at 5170.1 Hz,
>
>  20= 19-04-05_10:39,+35m: 1130m, I=3D2,39 A, 0.63 fT S/N -5.07 dB/1Hz
>  2019-04-05_11:19,+51m: 900m, I=3D2,92 A, 0= .63 fT S/N -4.92 dB/1Hz
>
> Yes, the same fT in both tests.  Then we have
>
> 900m
> ----
> = 2.74 A -> 0.50 fT,  0.182 fT/A
>=   2.92 A -> 0.63 fT,  0.216 fT/A
>
> 1130m
> -----
>  2.12 A -> 0.50 f= T,  0.236 fT/A
>  2.39 A -> = 0.63 fT,  0.264 fT/A
>
>
> Nothing received at= 970.1 Hz.
>
> --
> Paul Nicholson
> --
>

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