[FSG-public] FSG-public Digest, Vol 38, Issue 2

[Matt Bush]

Tampa bud told me about the He Apple issue a long time ago.  The problem with ham radio isn’t the radio, it’s hams!

Sent from my iPhone

> On Oct 31, 2018, at 12:34 PM, Luis V. Romero <lromero56 at tampabay.rr.com> wrote:
> 
> Now that is interesting... Is it the magnetism or the Helium?  Be cool to
> place a iPhone in a helium rich environment and see what happens.  I think
> it was the magnetism, as one cannot breathe Helium well.  And after all,
> Magnetism is a component of RF.
> 
> Back in the early days of Digital TV Broadcasting, there was an issue
> discovered in Dallas Texas in 2001. WFAA wanted to do a test of coverage of
> Digital HD from their facility late at night. So they got a DTV transmitter
> for Channel 9 and plugged it into their Channel 8 antenna (it was broadband
> enough to manage good SWR on 9 for the test, and Harris had a combiner all
> ready to use from another demo).
> 
> They turned this system on on a Sunday morning at like 4 am to see how
> coverage in DT matched coverage in NTSC.
> 
> Every heart monitor system in the Dallas area hospitals went nuts!
> 
> Seems that heart monitor systems use low level RF to communicate from the
> patient to the display. These systems used "white area" frequencies in the
> TV band and, in Dallas, since the nearest channel 9 is in Oklahoma, the
> suppliers set the frequency for Channel 9... And since these are Part 15
> devices, nobody at WFAA TV knew that they were on the Channel 9 frequency,
> which they chose precisely because there was no other Channel 9 nearby.
> 
> It isn't known if anybody died, but for Belo Broadcasting and Harris, it was
> a real fun Sunday morning.
> 
> Gents, I too am losing interest. Seems that there is a serious lack of
> brains left in Ham Radio. And it is disheartening.
> 
> -lu-w4lt-
> 
>> -----Original Message-----
>> From: FSG-public [mailto:fsg-public-bounces at lists.keekles.org] On Behalf
> Of
>> fsg-public-request at lists.keekles.org
>> Sent: Wednesday, October 31, 2018 8:00 AM
>> To: fsg-public at lists.keekles.org
>> Subject: FSG-public Digest, Vol 38, Issue 2
>> 
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>> Today's Topics:
>> 
>>   1. Thought this might be interesting (Bryan Fields)
>>   2. Re: Thought this might be interesting (Ryan Owens)
>> 
>> 
>> ----------------------------------------------------------------------
>> 
>> Message: 1
>> Date: Tue, 30 Oct 2018 22:28:06 -0400
>> From: Bryan Fields <bryan at flscg.org>
>> To: Florida Simulcast Group Public <FSG-public at lists.keekles.org>
>> Subject: [FSG-public] Thought this might be interesting
>> Message-ID: <0a8e81fd-2a33-451c-ce03-a36027e56852 at flscg.org>
>> Content-Type: text/plain; charset=utf-8
>> 
>> https://www.reddit.com/r/sysadmin/comments/9mk2o7/mri_disabled_eve
>> ry_ios_device_in_facility/
>> 
>> As my interest in radio has been dwindling, excuse the spam to the group.
>> --
>> Bryan Fields, W9CR
>> Florida Simulcast Group, Inc.
>> 
>> 
>> ------------------------------
>> 
>> Message: 2
>> Date: Tue, 30 Oct 2018 23:40:20 -0400
>> From: Ryan Owens <ryan at kj4shl.com>
>> To: Florida Simulcast Group Public <fsg-public at lists.keekles.org>
>> Subject: Re: [FSG-public] Thought this might be interesting
>> Message-ID: <6A87841D-8A89-40D9-B194-5370071DD01B at kj4shl.com>
>> Content-Type: text/plain; charset="us-ascii"
>> 
>> Awesome article really get you thinking. I have an overwhelming desire to
> go
>> stick my iPhone in a rich environment.
>> 
>> 73s
>> 
>> Ryan, KJ4SHL
>> kj4shl.com <http://kj4shl.com/>
>> 
>>> On Oct 30, 2018, at 10:28 PM, Bryan Fields <bryan at flscg.org> wrote:
>>> 
>>> 
>> https://www.reddit.com/r/sysadmin/comments/9mk2o7/mri_disabled_eve
>> ry_ios_device_in_facility/
>>> 
>>> As my interest in radio has been dwindling, excuse the spam to the
> group.
>>> --
>>> Bryan Fields, W9CR
>>> Florida Simulcast Group, Inc.
>>> _______________________________________________
>>> FSG-public mailing list
>>> FSG-public at lists.keekles.org
>>> http://lists.keekles.org/cgi-bin/mailman/listinfo/fsg-public
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>> End of FSG-public Digest, Vol 38, Issue 2
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