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The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Markus; That is an amazing antenna! That short to work so well at VLF. Evan for LF but it really works for you. I see no provision for ground system and would guess you use house plumbing for ground system? [...] Content analysis details: (1.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [65.55.116.28 listed in list.dnswl.org] 0.4 NO_DNS_FOR_FROM DNS: Envelope sender has no MX or A DNS records 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (rjraide[at]hotmail.com) 1.6 SUBJ_ALL_CAPS Subject is all capitals -0.1 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: 6ae4eec5875a1b41a36d2a35c03bf59e Content-Type: multipart/alternative; boundary="_cffc519a-e505-41fd-9f6f-7272d3dcc914_" Subject: RE: VLF: 8270 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.9 required=5.0 tests=FORGED_HOTMAIL_RCVD,HTML_50_60, HTML_MESSAGE,NO_DNS_FOR_FROM,SUBJ_ALL_CAPS,TO_ADDRESS_EQ_REAL 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 --_cffc519a-e505-41fd-9f6f-7272d3dcc914_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Markus=3B That is an amazing antenna! That short to work so well at VLF. Evan for L= F but it really works for you. I see no provision for ground system and wo= uld guess you use house plumbing for ground system? =20 From: markusvester@aol.com To: rsgb_lf_group@blacksheep.org Date: Sat=2C 11 Jan 2014 18:26:30 +0100 Subject: Re: VLF: 8270 =0A= =0A= =0A= =0A= =0A= =0A= =0A= Bob=2C=0A= =0A= it's the same antenna that I use for LF. The =0A= mast is a fishing rod on an aluminium telescopic pole=2C pushed out of an u= nused =0A= chimney. It carries three topload legs (N=2C W and S)=2C about 42 m wire in= =0A= total (230 pF). The apex is 20 m AGL or 11 m above the roof=2C but the =0A= effective height is only 9 m (calibrated at 138 kHz). On VLF frequencies = =0A= this is probably even a bit lower due to increased shunting effect from tre= es. =0A= Assuming heff =3D 0.8 m=2C radiation resistance on 8.3 kHz would be 0.08 = =0A= milliohm. With 60 Watts input=2C I got 0.3 A and 25 kV rms=2C =0A= and radiated power (EMRP) would be around 7 microwatts.=0A= =0A= =0A= =0A= Here's a sketch of the wire layout and the =0A= auxiliary H- and E-field receive antennas:=0A= http://dl.dropboxusercontent.com/u/26404526/Hans-Fallada-59_antennas.jpg = =0A= =0A= One could actually see the antenna in Google =0A= Map's slant view=2C but the imagery may have changed since:=0A= http://dl.dropboxusercontent.com/u/26404526/googlemaps_df6nm_antenna.jpg=0A= http://maps.google.de/maps?ll=3D49.4158=2C11.1350&z=3D21=0A= =0A= Best 73=2C=0A= Markus=0A= =0A= From: =0A= Bob Raide =0A= Sent: Saturday=2C January 11=2C 2014 5:37 =0A= PM=0A= To: rsgb_lf_group@blacksheep.org =0A= Subject: RE: VLF: =0A= 8270=0A= =0A= Markus=3B What are you using for antenna =0A= on 8270? =20 =0A= =0A= =0A= =0A= From: bvgbob@hotmail.com To: =0A= rsgb_lf_group@blacksheep.org Date: Sat=2C 11 Jan 2014 14:28:32 +0100 Subject: RE: VLF: =0A= 8270 =0A= =0A= =0A= Hello Markus!=0A= Nice signal here=2C =0A= congratulations!=0A= =0A= Lubos=2C OK2BVG =0A= =0A= =0A= =0A= From: markusvester@aol.com To: =0A= rsgb_lf_group@blacksheep.org CC: paul@abelian.netcom.co.uk Date: =0A= Sat=2C 11 Jan 2014 13:59:58 +0100 Subject: Re: VLF: 8270 =0A= Took the carrier off air at 12:48. Looks =0A= like a good trace at OK2BVG=2C and a dash with marginal SNR in Todmorden UK= . =0A= =0A= =0A= 73=2C Markus=0A= =0A= =0A= From: Markus Vester =0A= =0A= Sent: Saturday=2C January 11=2C =0A= 2014 11:33 AM=0A= To: rsgb_lf_group@blacksheep.org =0A= Subject: VLF: =0A= 8270=0A= =0A= At 10:23 I have started to transmit a =0A= straight carrier on 8270.000 Hz=2C estimated ERP around 14 uW. If all stays= well=2C =0A= I'll leave it on for a couple of hours=2C trying to leave a dash on Lubos' = =0A= and perhaps Paul's spectrograms.=0A= =0A= 73=2C Markus =0A= (DF6NM) = --_cffc519a-e505-41fd-9f6f-7272d3dcc914_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Markus=3B
That is an amazing = antenna! =3B That short to work so well at VLF. =3B Evan for = =3BLF but it really works for you. =3B I see no provision for ground sy= stem and would guess you use house plumbing for ground system?
 =3B<= BR>
From: markusvester@aol.com
To: rsgb_lf_g= roup@blacksheep.org
Date: Sat=2C 11 Jan 2014 18:26:30 +0100
Subject: = Re: VLF: 8270

=0A= =0A= =0A= =0A= =0A= =0A= =0A=
Bob=2C
=0A=
=  =3B
=0A=
it's the same antenna that =3BI us= e for LF. The =0A= mast is a fishing rod on an aluminium telescopic pole=2C pushed out of an u= nused =0A= chimney. =3BIt carries three topload legs (N=2C W and S)=2C about 42 m = wire in =0A= total (230 pF). The =3Bapex =3Bis 20 m AGL or 11 m above the roof= =2C but the =0A= effective height is only 9 m =3B(calibrated at 138 kHz). On VLF frequen= cies =0A= this is probably even a bit lower due to increased shunting effect from tre= es. =0A= Assuming heff =3D 0.8 m=2C radiation resistance on 8.3 kHz =3Bwould be&= nbsp=3B0.08 =0A= milliohm. With 60 Watts input=2C =3BI got =3B0.3 A and 25 kV rms=2C= =0A= and =3Bradiated power (EMRP) would be around 7 microwatts.
= =0A=
= =0A=
=0A=
 =3B
=0A=
Here's a sketch of the wire layout and= the =0A= auxiliary H- and E-field receive antennas:
=0A= =0A=
 =3B
=0A=
One could actually see the antenna&nbs= p=3Bin Google =0A= Map's slant view=2C =3Bbut =3Bthe imagery may have changed since:
=0A= =0A= =0A=
=  =3B
=0A=
Best 73=2C
=0A=
Markus
=0A=

=0A=
From: =0A= Bob= Raide
=0A=
Sent: Saturday=2C January= 11=2C 2014 5:37 =0A= PM
=0A= =0A=
Subject: RE: VLF: =0A= 8270
=0A=

=0A=
Markus=3B
What are you = using for antenna =0A= on 8270?
 =3B
=0A=
=0A=
=0A=
=0A=
From: bvgbob@hotma= il.com
To: =0A= rsgb_lf_group@blacksheep.org
Date: Sat=2C 11 Jan 2014 14:28:32 +0100
Subjec= t: RE: VLF: =0A= 8270

=0A= =0A= =0A=
Hello Markus!
= =0A=
Nice signal here=2C =0A= congratulations!
=0A=

=0A=
Lubos=2C OK2BVG

=0A=
=0A=
=0A=
=0A=
From: markusvester@aol= .com
To: =0A= rsgb_lf_group@blacksheep.org
CC: paul@abelian.netcom.co.uk
Date: =0A= Sat=2C 11 Jan 2014 13:59:58 +0100
Subject: Re: VLF: 8270

<= /div>=0A=
Took the carrier off air a= t 12:48. Looks =0A= like a good trace at OK2BVG=2C and a dash with marginal SNR in Todmorden UK= . =0A=
=0A=
 =3B
=0A=
73=2C Markus
= =0A=
 =3B
=0A=

= =0A=
From: Markus Veste= r =0A=
=0A=
Sent: Saturda= y=2C January 11=2C =0A= 2014 11:33 AM
=0A= =0A=
Subject: VLF:= =0A= 8270
=0A=

=0A=
At 10:23 I have started to= transmit a =0A= straight carrier on 8270.000 Hz=2C estimated ERP around 14 uW. If all stays= well=2C =0A= I'll leave it on for a couple of hours=2C trying to leave a dash on =3B= Lubos' =0A= and perhaps Paul's spectrograms.
=0A=
 =3B
=0A=
73=2C Markus =0A= (DF6NM)
= --_cffc519a-e505-41fd-9f6f-7272d3dcc914_--