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OT-P3 capture of a 17M intruder

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Bill Hammond

OT-P3 capture of a 17M intruder

Anyone have any ideas as to what this is?

http://www.flickr.com/photos/ak5x/8380898512/in/photostream

I have seen similar signals before, but not in the amateur bands. Today this one marched across 17 meters. Details in the posting.

Bill Hammond
[hidden email]
Bill Hammond-AK5X
[hidden email]
[hidden email]
K3 #69
P3 #817
KPA500 # 149
KAT500 #290
K2/100 #4637
K1 #2033
KX1 #1023
KX3 #583
W2
T1

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Rose

Re: OT-P3 capture of a 17M intruder

Hi Bill,

Perhaps an ionospheriec sounder. There are thousands of them
in use around the world.

73!

Ken Kopp - K0PP

On Mon, Jan 14, 2013 at 3:40 PM, Bill Hammond <[hidden email]> wrote:

> Anyone have any ideas as to what this is?
>
> http://www.flickr.com/photos/ak5x/8380898512/in/photostream
>
> I have seen similar signals before, but not in the amateur bands. Today
> this one marched across 17 meters. Details in the posting.
>
>
>
> Bill Hammond
> [hidden email]
> Bill Hammond-AK5X
> [hidden email]
> [hidden email]
> K3 #69
> P3 #817
> KPA500 # 149
> KAT500 #290
> K2/100 #4637
> K1 #2033
> KX1 #1023
> KX3 #583
> W2
> T1
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>

N5GE

Re: OT-P3 capture of a 17M intruder

In reply to this post by Bill Hammond

One of those rascals appeared on 15m yesterday too.

73,
Tom
Amateur Radio Operator N5GE
ARRL Lifetime Member
QCWA Lifetime Member

On Mon, 14 Jan 2013 09:40:27 -0600, Bill Hammond <[hidden email]>
wrote:

>Anyone have any ideas as to what this is?
>
>http://www.flickr.com/photos/ak5x/8380898512/in/photostream
>
>I have seen similar signals before, but not in the amateur bands. Today this one marched across 17 meters. Details in the posting.
>
>
>
>Bill Hammond
>[hidden email]
>Bill Hammond-AK5X
>[hidden email]
>[hidden email]
>K3 #69
>P3 #817
>KPA500 # 149
>KAT500 #290
>K2/100 #4637
>K1 #2033
>KX1 #1023
>KX3 #583
>W2
>T1
>
>______________________________________________________________
>Elecraft mailing list
>Home: http://mailman.qth.net/mailman/listinfo/elecraft
>Help: http://mailman.qth.net/mmfaq.htm
>Post: mailto:[hidden email]
>
>This list hosted by: http://www.qsl.net
>Please help support this email list: http://www.qsl.net/donate.html

Amateur Radio Operator N5GE

Bill Hammond

Re: OT-P3 capture of a 17M intruder

In reply to this post by Bill Hammond

Hi Bill,
I think you may of hit the nail on the head with CODAR. I had to Google it with the following results:

http://www.codar.com/intro_hf_radar.shtml

I guess it is for ocean wave detection (Tsunami)? They have some radar locations in Southern California.

My reading of Part 97.301 and 97.303 shows us as primary service of the 17 meter allocation, meaning:

Each frequency band allocated to
the amateur service is designated as either a secondary service or a
primary service. A station in a secondary service must not cause
harmful interference to, and must accept interference from, stations in
a primary service.

Other thoughts?
Bill
AK5X

On Jan 14, 2013, at 9:44 AM, [hidden email] wrote:

> Bill,
> Looks like CODAR, wave radar. They are all over.
>
> 73
> Bill
> N3CXV
>
>
> From: "Bill Hammond" <[hidden email]>
> Sent: Monday, January 14, 2013 10:40 AM
> To: "Elecraft Reflector" <[hidden email]>
> Subject: [Elecraft] OT-P3 capture of a 17M intruder
>
> Anyone have any ideas as to what this is?
>
> http://www.flickr.com/photos/ak5x/8380898512/in/photostream
>
> I have seen similar signals before, but not in the amateur bands. Today this one marched across 17 meters. Details in the posting.
>
>
>
> Bill Hammond
> [hidden email]
> Bill Hammond-AK5X
> [hidden email]
> [hidden email]
> K3 #69
> P3 #817
> KPA500 # 149
> KAT500 #290
> K2/100 #4637
> K1 #2033
> KX1 #1023
> KX3 #583
> W2
> T1
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>

Bill Hammond
[hidden email]
Bill Hammond-AK5X
[hidden email]
[hidden email]
K3 #69
P3 #817
KPA500 # 149
K2/100 #4637
K1 #2033
KX1 #1023
KX3 #583
W2
T1

______________________________________________________________
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ab2tc

Re: OT-P3 capture of a 17M intruder

In reply to this post by Bill Hammond

Hi,

See this for a similar signal (quote from LP-Pan Yahoo group):

"
http://ab2tc.getmyip.com/mesa.png
http://ab2tc.getmyip.com/mesa.mp3

I am referring to the wide bump centered on 14180. It's hopping back and forth
inside the 20m band. The recording has me chasing it by clicking on the center
every time I see it. It's sometimes only seconds between it disappearing from
one frequency and reappearing at another. It's ongoing as I post this."

This was only about 10kHz wide and wasn't wandering but rather jumping between several frequencies. One suggestion I have seen is that it is a military radar.

Knut - AB2TC

Bill Hammond wrote

Anyone have any ideas as to what this is?

http://www.flickr.com/photos/ak5x/8380898512/in/photostream

I have seen similar signals before, but not in the amateur bands. Today this one marched across 17 meters. Details in the posting.

Bill Hammond
[hidden email]
Bill Hammond-AK5X
<snip>

Richard Fjeld

Re: OT-P3 capture of a 17M intruder

In reply to this post by Bill Hammond

There is one that is about -70 dB at my Minnesota qth on 3.950-60 MHz (as I recall). It is ten KHz wide with a second 10 KHz wide signal right above it in frequency, but about half as strong. However, I have seen times when the second one wasn't present, or was being covered by other signals.

I see it late in the evening after 10 pm cst and it lasts non-stop, with no let up, for hours. Other people with pan-adapters have asked about it. It reminds me of a digital TV transmission. It is nicely shaped and stable.

----- Original Message -----
From: Bill Hammond
To: Elecraft Reflector
Sent: Monday, January 14, 2013 9:40 AM
Subject: [Elecraft] OT-P3 capture of a 17M intruder

Anyone have any ideas as to what this is?

http://www.flickr.com/photos/ak5x/8380898512/in/photostream

I have seen similar signals before, but not in the amateur bands. Today this one marched across 17 meters. Details in the posting.

Bill Hammond
[hidden email]
Bill Hammond-AK5X
[hidden email]
[hidden email]
K3 #69
P3 #817
KPA500 # 149
KAT500 #290
K2/100 #4637
K1 #2033
KX1 #1023
KX3 #583
W2
T1

______________________________________________________________
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Ken G Kopp

OT-P3 capture of a 17M intruder

In reply to this post by Bill Hammond

Google "Seasonde" for more information.

Rose and I have been lighthouse hosts for the Oregon State Parks
Dept in the past. Several of the parks on the beach have Seasonde
equipment housed in the plumbing areas between the men's and
women's bathrooms, and I have photos of these installations,
including their licenses and antennas. The ones in the Oregon
State Parks are operated by the University of Oregon. These ...
and CODAR ... operations are confined to specific (narrow) bands.
They do not operate in the amateur bands.

Ionospheric sounders, on the other hand, may appear anywhere
in the HF spectrum. Some sweep upward at a steady rate and
others spray random bursts throughout the HF spectrum. There
is one operating in Boulder, Colorado right in the city behind the
NBS campus. It's been there for decades. Weber State (Utah)
has one in continuous operation. Sounders are everywhere, even
in Antarctica. PSK31 users often see them in their "waterfalls", but
few recognize them for what they are.

73!

Ken - K0PP

On Mon, Jan 14, 2013 at 4:40 PM, Bill Hammond <[hidden email]> wrote:
> Hi Bill,
> I think you may of hit the nail on the head with CODAR. I had to Google it with the following results:
>
> http://www.codar.com/intro_hf_radar.shtml
>
> I guess it is for ocean wave detection (Tsunami)? They have some radar locations in Southern California.
>
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Merv Schweigert

Re: OT-P3 capture of a 17M intruder

These ... and CODAR ... operations are confined to specific (narrow)
bands. They do not operate in the amateur bands.

Yes they do operate in the amateur bands until they are reported
and moved by the FCC.

I am involved with the ARRL Intruder watch and there has been many
instances of CODAR intruding on amateur freqs.
Last time I was involved they were operating on 12 meters, after
bring reported they were advised to move and they did.

Best bet is to document time, freq, etc and report it to the Intruder
watch at ARRL and they will get the ball rolling to get them removed
from the ham bands.
73 Merv K9FD/KH6

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Rose

OT-P3 capture of a 17M intruder

Hi Merv,

I can't speak of CODAR operation specifically, BUT the Seasonde operation
by the University of Oregon does -not- operate in the amateur bands. Our RV
was parked within a hundred feet of the equipment for months at a time. My
IC-756PII on 20M -did- suffer a bit from overload by the 12 MHZ TX. They
are
FCC-incensed for specific frequencies and I seriously doubt / know that
they
would jeopardize their license(s). The Oregon TX's are 100W output, BTW.

The Seasonde operation is interesting. In the five years we spend with the
Oregon State Parks folks I got to know the techs who serviced the equipment.
One installation (Beachside State Park) had -hundreds- of feet of RG58
feeding
the antenna, which was located far from the equipment. The losses had to be
awful! One the other hand, the antenna at the Yaquina Head lighthouse is
mounted directly atop the outhouse building beside the parking lot. (:-)

73!

Ken - K0PP

On Mon, Jan 14, 2013 at 5:57 PM, Merv Schweigert <[hidden email]> wrote:

> These ... and CODAR ... operations are confined to specific (narrow)
> bands. They do not operate in the amateur bands.
>
> Yes they do operate in the amateur bands until they are reported
> and moved by the FCC.
>
> I am involved with the ARRL Intruder watch and there has been many
> instances of CODAR intruding on amateur freqs.
> Last time I was involved they were operating on 12 meters, after
> bring reported they were advised to move and they did.
>
> Best bet is to document time, freq, etc and report it to the Intruder
> watch at ARRL and they will get the ball rolling to get them removed
> from the ham bands.
> 73 Merv K9FD/KH6
>
> ______________________________**______________________________**__
> Elecraft mailing list
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> Help: http://mailman.qth.net/mmfaq.**htm<http://mailman.qth.net/mmfaq.htm>
> Post: mailto:[hidden email].**net <[hidden email]>
>
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Scott Manthe-2

WTB: Elecraft P3

In reply to this post by Ken G Kopp

Hi to the list!

I came to my senses and decided to keep my K3, so I'm looking for a
reasonably priced P3. Does anyone on the list have one they'd like to sell?

Thanks and 73,
Scott, N9AA
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Bill Hammond

Re: OT-P3 capture of a 17M intruder

In reply to this post by Ken G Kopp

Hi Ken,
I have sent the following to the contact listed for Intruder watch on ARRL's web site. Thanks for the advise.
73,
Bill
AK5X

------------------------------------------------------------------------------------------------------------------------------------------------

Hi Chuck,
Attached is a link to a spectral display from my P3 band scope I made this morning around 1430Z. I made the picture before the signal moved into our 17 meter band as explained in the caption and notation of the picture.

http://www.flickr.com/photos/ak5x/8380898512/in/photostream

There is some speculation that this is a signal from these guys:

http://www.codar.com/index.htm

I have no way of knowing that, but the signal was indeed from the west coast according to my HF beam. My reading of part 97.303 gives amateurs primary service of the 17 meter band. It looks like a intrusion to me.

Have you seen this before or do you know of CODAR?

73,
Bill
AK5X

On Jan 14, 2013, at 11:41 AM, Ken G Kopp wrote:

> Google "Seasonde" for more information.
>
> Rose and I have been lighthouse hosts for the Oregon State Parks
> Dept in the past. Several of the parks on the beach have Seasonde
> equipment housed in the plumbing areas between the men's and
> women's bathrooms, and I have photos of these installations,
> including their licenses and antennas. The ones in the Oregon
> State Parks are operated by the University of Oregon. These ...
> and CODAR ... operations are confined to specific (narrow) bands.
> They do not operate in the amateur bands.
>
> Ionospheric sounders, on the other hand, may appear anywhere
> in the HF spectrum. Some sweep upward at a steady rate and
> others spray random bursts throughout the HF spectrum. There
> is one operating in Boulder, Colorado right in the city behind the
> NBS campus. It's been there for decades. Weber State (Utah)
> has one in continuous operation. Sounders are everywhere, even
> in Antarctica. PSK31 users often see them in their "waterfalls", but
> few recognize them for what they are.
>
> 73!
>
> Ken - K0PP
>
>
> On Mon, Jan 14, 2013 at 4:40 PM, Bill Hammond <[hidden email]> wrote:
>> Hi Bill,
>> I think you may of hit the nail on the head with CODAR. I had to Google it with the following results:
>>
>> http://www.codar.com/intro_hf_radar.shtml
>>
>> I guess it is for ocean wave detection (Tsunami)? They have some radar locations in Southern California.
>>

David Honey

Re: OT-P3 capture of a 17M intruder

In reply to this post by Richard Fjeld

On 2013-01-14 17:37, Richard Fjeld wrote:
> There is one that is about -70 dB at my Minnesota qth on 3.950-60 MHz (as I recall). It is ten KHz wide with a second 10 KHz wide signal right above it in frequency, but about half as strong. However, I have seen times when the second one wasn't present, or was being covered by other signals.
>
> I see it late in the evening after 10 pm cst and it lasts non-stop, with no let up, for hours. Other people with pan-adapters have asked about it. It reminds me of a digital TV transmission. It is nicely shaped and stable.
>
>
I've seen similar from OTHR (over the horizon RADAR). It usually has a
well defined 20kHz bandwidth with a PRI of 10Hz.
DFing it usually suggests about 100 degrees from southern UK.
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VR2BrettGraham

Re: OT-P3 capture of a 17M intruder

In reply to this post by Bill Hammond

AK5X asked:

> Anyone have any ideas as to what this is?
>
> http://www.flickr.com/photos/ak5x/8380898512/in/photostream

It's over-the-horizon radar.

West from W5 is consistent with what I saw from XV out of the SE (last
August) & from JA3 just a bit west of south (last November).

Intersection of bearings: VK.

Dirty little secret: a lot of the OTHR in amateur service allocations
comes from VK & ZC4.

73, ex-VR2BG/p.

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ve3dvy

Re: OT-P3 capture of a 17M intruder

In reply to this post by Bill Hammond

Just to take this one even further of topic Ive always been fascinated
by strange sounds and signals on the HF bands in and out of the amateur
bands I wonder if there is a website that has audio samples with some
sort of explanation of what they are. sometimes there are
descriptions in listening Times but a site with samples would be cool.

On 1/14/2013 10:40 AM, Bill Hammond wrote:

> Anyone have any ideas as to what this is?
>
> http://www.flickr.com/photos/ak5x/8380898512/in/photostream
>
> I have seen similar signals before, but not in the amateur bands. Today this one marched across 17 meters. Details in the posting.
>
>
>
> Bill Hammond
> [hidden email]
> Bill Hammond-AK5X
> [hidden email]
> [hidden email]
> K3 #69
> P3 #817
> KPA500 # 149
> KAT500 #290
> K2/100 #4637
> K1 #2033
> KX1 #1023
> KX3 #583
> W2
> T1
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>

n1sz

Re: OT-P3 capture of a 17M intruder

David,

Here is one of the best out there.....
http://signals.taunus.de/DIG_introd.htm

The page author does a really nice job!

Jim, N1SZ

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of david Moes
Sent: Monday, January 14, 2013 7:40 PM
To: [hidden email]
Subject: Re: [Elecraft] OT-P3 capture of a 17M intruder

Just to take this one even further of topic Ive always been fascinated
by strange sounds and signals on the HF bands in and out of the amateur
bands I wonder if there is a website that has audio samples with some
sort of explanation of what they are. sometimes there are
descriptions in listening Times but a site with samples would be cool.

On 1/14/2013 10:40 AM, Bill Hammond wrote:
> Anyone have any ideas as to what this is?
>
> http://www.flickr.com/photos/ak5x/8380898512/in/photostream
>
> I have seen similar signals before, but not in the amateur bands. Today
this one marched across 17 meters. Details in the posting.

>
>
>
> Bill Hammond
> [hidden email]
> Bill Hammond-AK5X
> [hidden email]
> [hidden email]
> K3 #69
> P3 #817
> KPA500 # 149
> KAT500 #290
> K2/100 #4637
> K1 #2033
> KX1 #1023
> KX3 #583
> W2
> T1
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net Please help support this email
> list: http://www.qsl.net/donate.html
>

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Pierfrancesco Caci

Re: OT-P3 capture of a 17M intruder

The page author does a really nice job at avoiding visitors to his page,
I get a "SORRY - NO ACCESS FOR YOU TODAY!", even from 2 different source
addresses.

Pf, ik5pvx

>>>>> <[hidden email]> writes:

> David,
> Here is one of the best out there.....
> http://signals.taunus.de/DIG_introd.htm

> The page author does a really nice job!

> Jim, N1SZ

> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]] On Behalf Of david Moes
> Sent: Monday, January 14, 2013 7:40 PM
> To: [hidden email]
> Subject: Re: [Elecraft] OT-P3 capture of a 17M intruder

> Just to take this one even further of topic Ive always been fascinated
> by strange sounds and signals on the HF bands in and out of the amateur
> bands I wonder if there is a website that has audio samples with some
> sort of explanation of what they are. sometimes there are
> descriptions in listening Times but a site with samples would be cool.

> On 1/14/2013 10:40 AM, Bill Hammond wrote:
>> Anyone have any ideas as to what this is?
>>
>> http://www.flickr.com/photos/ak5x/8380898512/in/photostream
>>
>> I have seen similar signals before, but not in the amateur bands. Today
> this one marched across 17 meters. Details in the posting.
>>
>>
>>
>> Bill Hammond
>> [hidden email]
>> Bill Hammond-AK5X
>> [hidden email]
>> [hidden email]
>> K3 #69
>> P3 #817
>> KPA500 # 149
>> KAT500 #290
>> K2/100 #4637
>> K1 #2033
>> KX1 #1023
>> KX3 #583
>> W2
>> T1
>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[hidden email]
>>
>> This list hosted by: http://www.qsl.net Please help support this email
>> list: http://www.qsl.net/donate.html
>>

> ______________________________________________________________
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> Post: mailto:[hidden email]

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--
Pierfrancesco Caci, ik5pvx
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M0XDF

Re: OT-P3 capture of a 17M intruder

Yes, me too, but as requested, I've mailed him about it.
And if it is because of a blocked site, that's not good, since it's Virgin Media, a major carrier in the UK
73 de David, M0XDF (K3 #174, P3 #108)
--
Whales have calves, Cats have kittens, Bears have cubs,
Bats have bittens, Swans have cygnets, Seals have puppies,
But guppies just have little guppies. - Ogden Nash (1902-1971)

On 15 Jan 2013, at 07:39, Pierfrancesco Caci wrote:

Stephen G4SJP

Re: OT-P3 capture of a 17M intruder

In reply to this post by Pierfrancesco Caci

I have the same from here at work. . I'm not sure that our network
manager would be too pleased to be told that our school IP address is dodgy!

It worked fine for me from home this morning (BTInternet). A fantastic
site, really comprehensive information.

73 Stephen G4SJP

On 15 January 2013 07:39, Pierfrancesco Caci <[hidden email]> wrote:

>
> The page author does a really nice job at avoiding visitors to his page,
> I get a "SORRY - NO ACCESS FOR YOU TODAY!", even from 2 different source
> addresses.
>
>
> Pf, ik5pvx
>
>
>
> >>>>> <[hidden email]> writes:
>
>
> > David,
> > Here is one of the best out there.....
> > http://signals.taunus.de/DIG_introd.htm
>
> > The page author does a really nice job!
>
> > Jim, N1SZ
>
> > -----Original Message-----
> > From: [hidden email]
> > [mailto:[hidden email]] On Behalf Of david Moes
> > Sent: Monday, January 14, 2013 7:40 PM
> > To: [hidden email]
> > Subject: Re: [Elecraft] OT-P3 capture of a 17M intruder
>
> > Just to take this one even further of topic Ive always been
> fascinated
> > by strange sounds and signals on the HF bands in and out of the
> amateur
> > bands I wonder if there is a website that has audio samples with
> some
> > sort of explanation of what they are. sometimes there are
> > descriptions in listening Times but a site with samples would be
> cool.
>
>
> > On 1/14/2013 10:40 AM, Bill Hammond wrote:
> >> Anyone have any ideas as to what this is?
> >>
> >> http://www.flickr.com/photos/ak5x/8380898512/in/photostream
> >>
> >> I have seen similar signals before, but not in the amateur bands.
> Today
> > this one marched across 17 meters. Details in the posting.
> >>
> >>
> >>
> >> Bill Hammond
> >> [hidden email]
> >> Bill Hammond-AK5X
> >> [hidden email]
> >> [hidden email]
> >> K3 #69
> >> P3 #817
> >> KPA500 # 149
> >> KAT500 #290
> >> K2/100 #4637
> >> K1 #2033
> >> KX1 #1023
> >> KX3 #583
> >> W2
> >> T1
> >>
> >> ______________________________________________________________
> >> Elecraft mailing list
> >> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> >> Help: http://mailman.qth.net/mmfaq.htm
> >> Post: mailto:[hidden email]
> >>
> >> This list hosted by: http://www.qsl.net Please help support this
> email
> >> list: http://www.qsl.net/donate.html
> >>
>
> > ______________________________________________________________
> > Elecraft mailing list
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> > Post: mailto:[hidden email]
>
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>
> > ______________________________________________________________
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>
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>
> --
> Pierfrancesco Caci, ik5pvx
> ______________________________________________________________
> Elecraft mailing list
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>
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Bill Hammond

Re: OT-P3 capture of a 17M intruder

In reply to this post by n1sz

> http://signals.taunus.de/DIG_introd.htm

I was able to access this URL this morning. He does do an excellent job of describing the signals complete with recordings. I believe the signal I recorded is a QAM signal or phase shift keying. If he returns this morning 1450Z or so I'll record the audio. I do not believe it is CODAR. More ears would be useful :)
73,
Bill
AK5X

On Jan 14, 2013, at 7:17 PM, <[hidden email]> <[hidden email]> wrote:

> David,
>
> Here is one of the best out there.....
> http://signals.taunus.de/DIG_introd.htm
>
> The page author does a really nice job!
>
> Jim, N1SZ
>
> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]] On Behalf Of david Moes
> Sent: Monday, January 14, 2013 7:40 PM
> To: [hidden email]
> Subject: Re: [Elecraft] OT-P3 capture of a 17M intruder
>
> Just to take this one even further of topic Ive always been fascinated
> by strange sounds and signals on the HF bands in and out of the amateur
> bands I wonder if there is a website that has audio samples with some
> sort of explanation of what they are. sometimes there are
> descriptions in listening Times but a site with samples would be cool.
>
>
> On 1/14/2013 10:40 AM, Bill Hammond wrote:
>> Anyone have any ideas as to what this is?
>>
>> http://www.flickr.com/photos/ak5x/8380898512/in/photostream
>>
>> I have seen similar signals before, but not in the amateur bands. Today
> this one marched across 17 meters. Details in the posting.
>>
>>
>>
>> Bill Hammond
>> [hidden email]
>> Bill Hammond-AK5X
>> [hidden email]
>> [hidden email]
>> K3 #69
>> P3 #817
>> KPA500 # 149
>> KAT500 #290
>> K2/100 #4637
>> K1 #2033
>> KX1 #1023
>> KX3 #583
>> W2
>> T1
>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[hidden email]
>>
>> This list hosted by: http://www.qsl.net Please help support this email
>> list: http://www.qsl.net/donate.html
>>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html

Terry Schieler-2

Re: OT-P3 capture of a 17M intruder

In reply to this post by Ken G Kopp

Ken wrote: " Several of the parks on the beach have Seasonde equipment housed in the plumbing areas between the men's and women's bathrooms, and I have photos of these installations,"

Ken was very fortunate. If any of the rest of us had been spotted with a camera in the walls between the men's and women's bathrooms we'd undoubtedly be hauled away by the local constabulary. ;o)

Terry, W0FM

-----Original Message-----
From: Ken G Kopp [mailto:[hidden email]]
Sent: Monday, January 14, 2013 11:41 AM
To: Bill Hammond
Cc: Elecraft Reflector
Subject: [Elecraft] OT-P3 capture of a 17M intruder

Google "Seasonde" for more information.

Rose and I have been lighthouse hosts for the Oregon State Parks Dept in the past. Several of the parks on the beach have Seasonde equipment housed in the plumbing areas between the men's and women's bathrooms, and I have photos of these installations, including their licenses and antennas. The ones in the Oregon State Parks are operated by the University of Oregon. These ...
and CODAR ... operations are confined to specific (narrow) bands.
They do not operate in the amateur bands.

Ionospheric sounders, on the other hand, may appear anywhere in the HF spectrum. Some sweep upward at a steady rate and others spray random bursts throughout the HF spectrum. There is one operating in Boulder, Colorado right in the city behind the NBS campus. It's been there for decades. Weber State (Utah) has one in continuous operation. Sounders are everywhere, even in Antarctica. PSK31 users often see them in their "waterfalls", but few recognize them for what they are.

73!

Ken - K0PP

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