mgs
[Top] [All Lists]

Re: [Mgs] Radios

To: Richard Lindsay <richardolindsay@gmail.com>
Subject: Re: [Mgs] Radios
From: Robert's New iPad <mgbobh@gmail.com>
Date: Wed, 6 Oct 2021 07:52:01 -0400
Cc: "mgs@autox.team.net List" <mgs@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: mgs@autox.team.net
References: <000a01d7b963$8b944590$a2bcd0b0$@ranteer.com> <80bc9bb8a24b845d14b83f45f2ea98f5@coastaldatasystems.com> <CAOc+-dxgrs-=SONjOL+7M7bQ3g3PYjmsgF=rAQ9fGTk7dJSzpg@mail.gmail.com> <CAOc+-dwbD0WRnOWmpO6tiPamtW-Sm_SNf4jNcffFm1ayDikt5Q@mail.gmail.com>
--===============8323076913741013223==
        boundary=Apple-Mail-4431FB5E-7090-4581-8F67-410796C62BB5
Content-Transfer-Encoding: 7bit


--Apple-Mail-4431FB5E-7090-4581-8F67-410796C62BB5
        charset=us-ascii
Content-Transfer-Encoding: quoted-printable

   Not at all useless, Rick.
   I have long wondered why the antennae in Annapolis MD, on the point south=
 of Naval Academy,  were so long, and your 15,600 ft measure explains it.=20=

Bob


> On Oct 6, 2021, at 7:04 AM, Richard Lindsay <richardolindsay@gmail.com> wr=
ote:
>=20
> Yes friends, my words copied below are all but totally useless in this cir=
cle of MG people, but sometimes talk of radios, frequencies and antennas ove=
rcomes ham radio guys like me and we spew mostly useless and irrelevant info=
rmation. Please forgive.
>=20
> Rick WD4KIB, General Class ...and two MGs
>=20
>> On Wed, Oct 6, 2021, 5:17 AM Richard Lindsay <richardolindsay@gmail.com> w=
rote:
>> > ...the LW band wouldn't have
>> broadcasting in the US
>> > ... you might be able to pick up some LW band] signals.
>> >
>> > Steve West-Fisher
>> > N4IK
>>=20
>> ...especially at night, if any entity is still using the LW band. Wiki sa=
ys, "The frequency for longwave range from 30KHz to 279 KHz , covering a med=
ian wavelength of 150 meters." That's really low frequency.
>>    The antenna in one's mobile phone is only a few millimeters long, or i=
f a tuned dipole, 3"-6" depending upon the mobile phone band being used. Bro=
adcast FM radio dipole antennas tune at about 4 feet long. We've all seen th=
ose kinds of antennas in some cars' windshield glass. A dipole antenna for 3=
0KHz, the very bottom of the LW band, is 15,600 feet long!=20
>>=20
>> Rick
>> WD4KIB
> _______________________________________________
>=20
> Mgs@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation  $12.75
>=20
> Archive: http://www.team.net/pipermail/mgs http://autox.team.net/archive
>=20
> Unsubscribe: http://autox.team.net/mailman/options/mgs/mgbobh@gmail.com

--Apple-Mail-4431FB5E-7090-4581-8F67-410796C62BB5
        charset=utf-8
Content-Transfer-Encoding: quoted-printable

<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div dir=3D"ltr"></div><div dir=3D"ltr">&nb=
sp; &nbsp;Not at all useless, Rick.</div><div dir=3D"ltr">&nbsp; &nbsp;I hav=
e long wondered why the antennae in Annapolis MD, on the point south of Nava=
l Academy, &nbsp;were so long, and your 15,600 ft measure explains it.&nbsp;=
</div><div dir=3D"ltr">Bob</div><div dir=3D"ltr"><br></div><div dir=3D"ltr">=
<br>On Oct 6, 2021, at 7:04 AM, Richard Lindsay &lt;<a href=3D"mailto:richar=
dolindsay@gmail.com">richardolindsay@gmail.com</a>&gt; wrote:<br><br></div><=
blockquote type=3D"cite"><div dir=3D"ltr"><div dir=3D"auto"><div>Yes friends=
, my words copied below are all but totally useless in this circle of MG peo=
ple, but sometimes talk of radios, frequencies and antennas overcomes ham ra=
dio guys like me and we spew mostly useless and irrelevant information. Plea=
se forgive.</div><div dir=3D"auto"><br></div><div dir=3D"auto">Rick WD4KIB, G=
eneral Class ...and two MGs</div><div dir=3D"auto"><br><div class=3D"gmail_q=
uote" dir=3D"auto"><div dir=3D"ltr" class=3D"gmail_attr">On Wed, Oct 6, 2021=
, 5:17 AM Richard Lindsay &lt;<a href=3D"mailto:richardolindsay@gmail.com";>r=
ichardolindsay@gmail.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_=
quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1e=
x"><div dir=3D"auto">&gt; ...the LW band wouldn't have<div dir=3D"auto">broa=
dcasting in the US</div><div dir=3D"auto">&gt; ... you might be able to pick=
 up some LW band] signals.</div><div dir=3D"auto">&gt;</div><div dir=3D"auto=
">&gt; Steve West-Fisher</div><div dir=3D"auto">&gt; N4IK</div><div dir=3D"a=
uto"><br></div><div dir=3D"auto">...especially at night, if any entity is st=
ill using the LW band. Wiki says, "<i>The frequency for longwave range from 3=
0KHz to 279 KHz , covering a median wavelength of 150 meters.</i>" That's re=
ally low frequency.</div><div dir=3D"auto">&nbsp; &nbsp;The antenna in one's=
 mobile phone is only a few millimeters long, or if a tuned dipole, 3"-6" de=
pending upon the mobile phone band being used. Broadcast FM radio dipole ant=
ennas tune at about 4 feet long. We've all seen those kinds of antennas in s=
ome cars' windshield glass. A dipole antenna for 30KHz, the very bottom of t=
he LW band, is 15,600 feet long!&nbsp;</div><div dir=3D"auto"><br></div><div=
 dir=3D"auto">Rick</div><div dir=3D"auto">WD4KIB</div></div>
</blockquote></div></div></div>
</div></blockquote><blockquote type=3D"cite"><div dir=3D"ltr"><span>________=
_______________________________________</span><br><span></span><br><span><a h=
ref=3D"mailto:Mgs@autox.team.net";>Mgs@autox.team.net</a></span><br><span>Don=
ate: <a href=3D"http://www.team.net/donate.html";>http://www.team.net/donate.=
html</a></span><br><span>Suggested annual donation &nbsp;$12.75</span><br><s=
pan></span><br><span>Archive: <a href=3D"http://www.team.net/pipermail/mgs";>=
http://www.team.net/pipermail/mgs</a> <a href=3D"http://autox.team.net/archi=
ve">http://autox.team.net/archive</a></span><br><span></span><br><span>Unsub=
scribe: <a href=3D"http://autox.team.net/mailman/options/mgs/mgbobh@gmail.co=
m">http://autox.team.net/mailman/options/mgs/mgbobh@gmail.com</a></span><br>=
</div></blockquote></body></html>=

--Apple-Mail-4431FB5E-7090-4581-8F67-410796C62BB5--

--===============8323076913741013223==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

_______________________________________________

Mgs@autox.team.net

Archive: http://www.team.net/pipermail/mgs http://autox.team.net/archive

Unsubscribe: http://autox.team.net/mailman/options/mgs/mharc@autox.team.net

--===============8323076913741013223==--

<Prev in Thread] Current Thread [Next in Thread>