Return-Path: X-Spam-DCC: paranoid 1102; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, FORGED_RCVD_HELO,HTML_40_50,HTML_MESSAGE,SPF_PASS autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id u430qEwr017564 for ; Tue, 3 May 2016 02:52:14 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1axOUp-0003hq-EQ for rs_out_1@blacksheep.org; Tue, 03 May 2016 01:47:27 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1axOUo-0003hh-Ud for rsgb_lf_group@blacksheep.org; Tue, 03 May 2016 01:47:26 +0100 Received: from smtpweb153.aruba.it ([62.149.158.153] helo=smtpcmd05153.aruba.it) by relay1.thorcom.net with esmtp (Exim 4.87) (envelope-from ) id 1axOUk-00014I-Ng for rsgb_lf_group@blacksheep.org; Tue, 03 May 2016 01:47:25 +0100 Received: from ik0vve.net ([62.149.158.90]) by smtpcmd05.ad.aruba.it with bizsmtp id pcnL1s00Y1xJdJu01cnL1R; Tue, 03 May 2016 02:47:20 +0200 Date: Tue, 3 May 2016 02:47:20 +0200 Message-Id: In-Reply-To: <5727BB25.7020001@posteo.de> References: =?iso-8859-1?q?=3CO6FK1F=244E758375A73045921482661B20E9AE5A=40ik0vve?= =?iso-8859-1?q?=2Enet=3E_=3CO6HQVJ=242F7891F4C3FDD2B2A991A8F465C21493?= =?iso-8859-1?q?=40ik0vve=2Enet=3E_=3C572619ED=2E1040402=40posteo=2Ede?= =?iso-8859-1?q?=3E_=3CO6K58G=24E1D0A268B18973C74C9FF0C89110836A=40ik0?= =?iso-8859-1?q?vve=2Enet=3E_=3C5727BB25=2E7020001=40posteo=2Ede=3E?= MIME-Version: 1.0 X-Sensitivity: 3 From: "Max IK0VVE" To: rsgb_lf_group@blacksheep.org X-XaM3-API-Version: V3(R2) X-SenderIP: 195.125.179.185 X-Scan-Signature: 2bd5d3c3e4b1ac0d4c95b192e62a82a2 Subject: Re: LF: testing VLF grabber Content-Type: multipart/alternative; boundary="_=__=_XaM3_.1462236440.2A.465233.42.23682.52.42.007.1047934435" 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 X-Scanned-By: MIMEDefang 2.56 on 10.1.3.11 Status: O X-Status: X-Keywords: X-UID: 7977 --_=__=_XaM3_.1462236440.2A.465233.42.23682.52.42.007.1047934435 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi Stefan and all,=0AGPS is prepared for the job! It was an USB GPS but I= 've found the 1pps and NMEA pins so to use the USB cable only for power s= upply.=C2=A0=0AOK for the second grabber, I disposed also for it as for n= arrower band, band filter and NB.=0A=0A=0AA perfect place could be the re= mote station of RCR-DX in monte Ripoli near Tivoli (http://www.rcr-dx.eu/= r-c-r-.html=C2=A0JN61JW) internet connection 50Mbps UP/DW! But it is not = so close to my home and I need an hour and half or more to reach this pla= ce, if any problem occur I could spend a day to solve it! So for now I wo= uld see some place nearby. =C2=A0=0A=0A=0ARick (IW4DXW) and Dom (IZ7SLZ) = are each about 680 km far from me, the first to North and the second to s= outh east.=0AI know Rick is transmitting in these hours.=0A=0A=0AYesterda= y I've chenged the RX antenna from 60 wires loop to the TX (un-tuned) ant= enna of 630m, I've seen signals growing all over the band. So also this c= ould be a point of discussion for the next remote station. May a single t= urn loop antenna be good also for me?=0A=0A=0AI'll keep the list updated = about my grabbers.=0A=0A=0AThank and 73, Max IK0VVE=0A=0A=0A=0A__________= ____________________=C2=A0...here some of my HAM Radio projects...SkyGeM = RotatorAntennaDinamicaRCR-DX=0Awww.ik0vve.net=0A=0A=0ADa: owner-rsgb_lf_g= roup@blacksheep.org=0AA: rsgb_lf_group@blacksheep.org=0ACc: =0AData: Mon,= 02 May 2016 22:40:05 +0200=0AOggetto: Re: LF: testing VLF grabber=0A=0A=0A= =0A=0A=0A =0A=0A=0AHi Max, =0A=0A=0A=0AThat's very nice, i see you know = what you do.=0A=0AMaybe, if you have a GPS module, you want to use pps + = NMEA which is=0Athe best way to go. Search for NMEA and DL4YHF to find on= e of his=0Awebsites describing how it is done and how the signals are com= bined and=0Afed to the right channel.=0A=0A=0A=0AAlso i can recommend to = add a second window to the grabber page (2nd=0Ainstance) showing 'wideban= d', 0...24 kHz. So everyone can see if there=0Ais QRN or QRM or something= wrong or an idea of the frequency response=0Aof your system and so on. I= t has been very helpful on many grabbers, a=0Agood overview. Maybe you a = scroll rate of 1 min /pixel so everyone can=0Awatch a few hours.=0A=0A=0A= =0AAfter the band filter (BW 3 kHz, 1 kHz slope) you should add the noise= =0Ablanker (between L4 and L5).=0A=0A=0A=0AYour idea for a remote operate= d VLF station is soo nice! If there is=0Aanything i can help, don't hesit= ate to ask! maybe some more stations=0Awill follow, you never know who's = reading. What will be the locator?=0A=0A=0A=0AOK about both transmitting = stations. Italian pioneers! What is the=0Adistance between them and you?=0A= =0A=0A=0A73, Stefan=0A=0A=0A=0APS: Today i have installed a single turn l= oop with transformer into the=0Atree. It is now pointing to N-S again. Al= so my 200s symbol, 5 ch=0Atransmission is finished, so i'm monitoring aga= in, looking into your=0Adirection.=0A=0A=0A=0A=0A=0A=0A=0AAm 02.05.2016 1= 8:17, schrieb Max IK0VVE:=0A=0A Hi=0AStefan,=0A thanks for suggestions.= =0A =0A=0ATonight I'll suspend the grabber session to implement the 1pps= GPS.=0A This was just a testing to see if I've problem with web upload,= =0Apc, etc... At the moment I'm using an old notebook that gives me the=0A= possibility to run a couple of SL sessions without wasting much energy.=C2= =A0=0A Ok for filtering the reception, this will improve for sure the=0A= signal quality.=0A Unfortunately, also living in a small rural suburb, I= 've a lot=0Aof noise for some years now "thanks" to new neighbor (LED lig= hts), so=0AI'm looking to install all system in a quieter place that can = be easily=0Aapproachable by a 5 ghz LAN, may be I could get ideas from yo= ur remote=0Astation, HI.=0A =0A=0A =0A I know that IW4DXW Riccardo and= IK7SLZ Domenico are warming up=0Afor VLF transmission. Rick transmitted = for a while yesterday night but=0Asome capacitors problem impede a good s= ystem performance, so We are=0Alooking for new C's. I'm in the center bet= ween the two OM so could be a=0Agood place for RX test.=0A Not so many I= talian HAM in VLF and LF now.=0A =0A=0A =0A Thanks for now!=0A =0A=0A= =0A 73, Max IK0VVE=0A =0A=0A =0A=0A=0A=0A --_=__=_XaM3_.1462236440.2A.465233.42.23682.52.42.007.1047934435 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Hi Stefan and= all,

GPS is prepared for the job! It was an USB GPS but I'v= e found the 1pps and NMEA pins so to use the USB cable only for power sup= ply. 
OK for the second grabber, I disposed also for it as= for narrower band, band filter and NB.








______________________________

 
...here some = of my HAM Radio projects...



=0A
Da: owner-rsgb_lf_group@blackshe= ep.org
=0A
A: rsgb_lf_group@blacksheep.org
=0A
Cc:
=0A
Data: Mon= , 02 May 2016 22:40:05 +0200
=0A
Oggetto: Re: = LF: testing VLF grabber
=0A
=0A=0A=0A=0A =0A=0A=0AHi Max,=
=0A
=0AThat's very nice, i see you know what you do.
=0AMaybe,= if you have a GPS module, you want to use pps + NMEA which is=0Athe best= way to go. Search for NMEA and DL4YHF to find one of his=0Awebsites desc= ribing how it is done and how the signals are combined and=0Afed to the r= ight channel.
=0A
=0AAlso i can recommend to add a second window to= the grabber page (2nd=0Ainstance) showing 'wideband', 0...24 kHz. So eve= ryone can see if there=0Ais QRN or QRM or something wrong or an idea of t= he frequency response=0Aof your system and so on. It has been very helpfu= l on many grabbers, a=0Agood overview. Maybe you a scroll rate of 1 min /= pixel so everyone can=0Awatch a few hours.
=0A
=0AAfter the band fi= lter (BW 3 kHz, 1 kHz slope) you should add the noise=0Ablanker (between = L4 and L5).
=0A
=0AYour idea for a remote operated VLF station is s= oo nice! If there is=0Aanything i can help, don't hesitate to ask! maybe = some more stations=0Awill follow, you never know who's reading. What will= be the locator?
=0A
=0AOK about both transmitting stations. Italia= n pioneers! What is the=0Adistance between them and you?
=0A
=0A73,= Stefan
=0A
=0APS: Today i have installed a single turn loop with t= ransformer into the=0Atree. It is now pointing to N-S again. Also my 200s= symbol, 5 ch=0Atransmission is finished, so i'm monitoring again, lookin= g into your=0Adirection.
=0A
=0A
=0A
=0AAm 02.05.2016 18:17, = schrieb Max IK0VVE:=0A
=0A
Hi=0AStefan,=0A
t= hanks for suggestions.
=0A

=0ATonight I'll suspend the gra= bber session to implement the 1pps GPS.
=0A
This was just a te= sting to see if I've problem with web upload,=0Apc, etc... At the moment = I'm using an old notebook that gives me the=0Apossibility to run a couple= of SL sessions without wasting much energy. 
=0A
Ok for = filtering the reception, this will improve for sure the=0Asignal quality.=
=0A
Unfortunately, also living in a small rural suburb, I've = a lot=0Aof noise for some years now "thanks" to new neighbor (LED lights)= , so=0AI'm looking to install all system in a quieter place that can be e= asily=0Aapproachable by a 5 ghz LAN, may be I could get ideas from your r= emote=0Astation, HI.
=0A

=0A
=0A
I know that = IW4DXW Riccardo and IK7SLZ Domenico are warming up=0Afor VLF transmission= . Rick transmitted for a while yesterday night but=0Asome capacitors prob= lem impede a good system performance, so We are=0Alooking for new C's. I'= m in the center between the two OM so could be a=0Agood place for RX test= .
=0A
Not so many Italian HAM in VLF and LF now.
=0A
=0A
=0A
Thanks for now!
=0A

=0A
= =0A
73, Max IK0VVE
=0A
=0A
=0A=0A=0A=0A=
--_=__=_XaM3_.1462236440.2A.465233.42.23682.52.42.007.1047934435--