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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 Bob,  what was the RF current threshold on your coherer?  I'm wondering if a virtualized coherer using the coherer principle could lower the threshold and respond quicker compared to a state o [...] 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 [74.6.134.42 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [74.6.134.42 listed in wl.mailspike.net] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (mrsocion[at]aol.com) 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: e21031ef48bbae1c5a8c64549547751e Subject: Re: LF: 160 years of Popov birthday Content-Type: multipart/alternative; boundary="----=_Part_6418655_488988119.1552867498255" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: *** X-Spam-Status: No, hits=3.3 required=5.0 tests=FORGED_MUA_MOZILLA,HTML_20_30, HTML_FONTCOLOR_UNKNOWN,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_6418655_488988119.1552867498255 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi Bob,=C2=A0=C2=A0what was the RF current threshold on your coherer?=C2=A0= I'm wondering if a virtualized coherer=C2=A0using the coherer principle co= uld lower the=C2=A0threshold and respond quicker compared to a state of the= art hardware coherer.=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0Congratulations and thanks for your email!73,=C2= =A0 Jim H=C2=A0=C2=A0 W5EST=C2=A0=C2=A0=C2=A0-----Original Message----- From: riese-k3djc To: rsgb_lf_group Sent: Sun, Mar 17, 2019 6:39 pm Subject: Re: LF: 160 years of Popov birthday why not build one,, i=C2=A0 did several years ago,, took a lot of RF to act= ivate but it worked=C2=A0Bob K3DJC=C2=A0On Sun, 17 Mar 2019 22:02:36 +0000 = (UTC) James Hollander writes: Hi Roman,=C2=A0=C2=A0 =C2=A0 Yes, I wonder how to do it in software.=C2= =A0 As you know, a coherer has a large number of particles that statistical= ly=C2=A0become more closely packed and connective in response to=C2=A0RF vo= ltage or current applied to them.=C2=A0=C2=A0 =C2=A0 Since software define= d radios have replaced many functions in short wave receivers with software= on a computer, why not envisage some software virtualization of the cohere= r.=C2=A0 We've been trained to think a coherer is a quaint relic of the fir= st days of radio.=C2=A0=C2=A0 But what truly are the performance limits of = the coherer in principle and what improvements starting from the coherer co= ncept might actualize advances or technological alternatives=C2=A0in radio?= =C2=A0=C2=A0=C2=A0Perhaps ultimately the answer is "None",=C2=A0 but has=C2= =A0 the question even been probed. =C2=A0 I recognize most of us may not be= in a position to inquire into the matter, but I want to put the topic forw= ard.=C2=A0=C2=A0 If there's any group that=C2=A0includes=C2=A0someone with= =C2=A0the background and interests=C2=A0to potentially=C2=A0think through t= his software challenge,=C2=A0they're probably in=C2=A0this=C2=A0LF/VLF/ULF/= SLF/ELF group now or in the future! =C2=A0 TU & 73, Jim H=C2=A0=C2=A0=C2=A0= W5EST=C2=A0 =C2=A0 =C2=A0 -----Original Message----- From: Roman To: rsgb_lf_group Sent: Sun, Mar 17, 2019 7:34 am Subject: Re: LF: 160 years of Popov birthday Hi Jim! PSE more info about your software, OM! VY interesting.=20 > FB, Roman. BTW, I've wondered how one could write radio detection softwar= e to act like a coherer and improve upon its principle. The software would = be a "swarm detector" working on the collective interaction of many element= al pieces or software elements. 73, Jim H W5EST --=20 73! Roman, RW3ADB=20 =C2=A0 ------=_Part_6418655_488988119.1552867498255 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit
Hi Bob,  what was the RF current threshold on your coherer?  I'm wondering if a virtualized coherer using the coherer principle could lower the threshold and respond quicker compared to a state of the art hardware coherer. 
            Congratulations and thanks for your email!
73,  Jim H   W5EST 
 
 
-----Original Message-----
From: riese-k3djc <riese-k3djc@juno.com>
To: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
Sent: Sun, Mar 17, 2019 6:39 pm
Subject: Re: LF: 160 years of Popov birthday

why not build one,, i  did several years ago,, took a lot of RF to activate but it worked
 
Bob K3DJC
 
On Sun, 17 Mar 2019 22:02:36 +0000 (UTC) James Hollander <mrsocion@aol.com> writes:
Hi Roman,  
 
Yes, I wonder how to do it in software.  As you know, a coherer has a large number of particles that statistically become more closely packed and connective in response to RF voltage or current applied to them.  
 
Since software defined radios have replaced many functions in short wave receivers with software on a computer, why not envisage some software virtualization of the coherer.  We've been trained to think a coherer is a quaint relic of the first days of radio.   But what truly are the performance limits of the coherer in principle and what improvements starting from the coherer concept might actualize advances or technological alternatives in radio?   Perhaps ultimately the answer is "None",  but has  the question even been probed.
 
I recognize most of us may not be in a position to inquire into the matter, but I want to put the topic forward.   If there's any group that includes someone with the background and interests to potentially think through this software challenge, they're probably in this LF/VLF/ULF/SLF/ELF group now or in the future!
 
TU & 73, Jim H    W5EST 
 
 
-----Original Message-----
From: Roman <rw3adb@YANDEX.ru>
To: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
Sent: Sun, Mar 17, 2019 7:34 am
Subject: Re: LF: 160 years of Popov birthday

Hi Jim!

PSE more info about your software, OM!
VY interesting.


> FB, Roman. BTW, I've wondered how one could write radio detection software to act like a coherer and improve upon its principle. The software would be a "swarm detector" working on the collective interaction of many elemental pieces or software elements. 73, Jim H W5EST
--
73!

Roman, RW3ADB


 
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