InterceptRadio.com Forums

Many, many thanks to Mike, KG7HQ for driving about the countryside on
Whidbey Island, we all have a MUCH better picture of where this signal
might be... :bowdown: :mrgreen:

Seems all of the signals off of the Cascades are reflections!!! :lol:

The Signals off of the Olympics could be reflections of reflections and likely mixed with the ACTUAL signal that MAY be radiating from somewhere on the South shore or uplands :?: of Vancouver Island :?: :!: :?:

Now to get the chpalmer guy to give a listen in his workday wanderings... Anyone in Clallam or Jefferson counties reading this now who could weigh in on this :?: :!: :?: :wink: :shock: :lol:

Eric
KB7DQH

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That is how the people at DARPA think. they take things and use them in unconventional ways, to see what happens.

Oh yeah... that "giant sucking sound" is the output signal of the KD7WDG repeater output being fed back into its own receiver by the
transmitter that we think is somewhere out there along the Southern coast of Vancouver Island.

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That is how the people at DARPA think. they take things and use them in unconventional ways, to see what happens.

:nobs: or until someone goes THERE and finds its coming from somewhere else :?:

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That is how the people at DARPA think. they take things and use them in unconventional ways, to see what happens.

Hello Team,

I had earlier confirmed that the rogue transmitter was not in Skagit County. I headed South and found a unique reflection off the North bluffs of Camano Island. Once this was found I tracked over onto Whidbey Island to find that the primary signal was coming in from the West. After moving up and down the western shores of Whidbey Island I was able to find a consistent signal coming from the South end of Vancouver Island.
This location matches the reflective properties to allow for signals to bounce back and forth off the Cascades and Olymics. An additional note to this is that I had to use 20-30db attenuation in line to get the signal reduced enough to get a proper bearing.
Though the source system has not been identified, we have an area to focus in on. I'd like to extand thanks to Eric (KB7DQH) who provided the excitation signal to allow me to track.

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Thank You,

Michael
ARS - KG7HQ
Assistant Director/Technical Specialist/VE
Northwestern Division
ARRL
kg7hq@arrl.net
http://www.kg7hq.wetnet.net

Honorable mention to Chris, KB2SKP, for bringing up the repeater for additional test signals after the path from my place crapped out...

Thanks again Mike for taking the time and burning off the fuel...

Eric
KB7DQH

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That is how the people at DARPA think. they take things and use them in unconventional ways, to see what happens.

VE7DJA is on echolink.
Someone might pop in there and ask for help.

I just scanned the whole 70cm band looking for a connecting link for the (2) 2Mtr frequesncies and didn't find anything.

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Thank You,

Michael
ARS - KG7HQ
Assistant Director/Technical Specialist/VE
Northwestern Division
ARRL
kg7hq@arrl.net
http://www.kg7hq.wetnet.net

..as sent to me by one of our members, we've noted that there is an ongoing interference problem on your 145.430 repeater in Central Kitsap. There has been a suggestion that the problem may originate from up here on Vancouver Island. I have sent an email to Michael KG7HQ outlining the situation here and offering whatever assistance we can in sorting out this problem.

We can certainly monitor the input frequency 144.830 for any odd activity up this way.

Needless to say, any interference, especially on the input of our repeater frequency(s) would be of concern to us as well.

If any of you have any specifics... beam headings, signal strengths, user call letters observed, or if any of you observe any unique characteristics of the problem ...please advise.

Just a thought... Could this be an image/IMD/spurious problem generated by a newly installed and very strong amateur repeater...say 455khz (or some mathematical multiple) away from the 144.830 input? Amateur receivers have front-ends as broad as a barn door.

Richard
VA7AA
http://www.ve7na.ca

Read the WHOLE thread, starting at Page One... I don't think a spur would be heard bouncing off of mountains, etc, and heard nearly a hundred miles away. Moreover spurs don't "kerchunk" or respond to PL tones, nor do they repeat them!

I thought about stuff like that the first ten minutes this was on the air, as we have had problems with public service stuff at the same site creating a mix that would lock the repeater. Subsequently, dropping the power on the public service transmitters (to get the simulcast system to work properly :bowrofl:) made that problem go away. Monitoring the P/S channels did not reveal any activity there which would cause this and more investigations took place leading to the conclusions drawn in the previous 50 or so posts :mrgreen:

So, DO give that frequency a listen, paying particular attention to signal levels and, using directive antennas, the location it appears to be coming from...

Eric
KB7DQH

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That is how the people at DARPA think. they take things and use them in unconventional ways, to see what happens.

Still have not heard the results of the "Apple Doppler Gang" search led by K7OV :mrgreen:

but DO have some information received indirectly from Hams on the North Olympic Peninsula, more specifically the Dungeness plain North of Sequim, WA, and just West of Port Angeles, WA 8)

And They report the signals appear to be from the Victoria metropolitan area or thereabouts. RSL in Sequim strong enough to push the S-meter on a handheld up to half-scale with a duck on, in the living room...

Our very own chpalmer will be conducting further verification tomorrow on his way to work :bowdown:

I will be anxious to find out what he comes up with :mrgreen:

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That is how the people at DARPA think. they take things and use them in unconventional ways, to see what happens.

I hope your repeater lives through this. It sounds horrible.

Get an FM transmitter. Program your scanner to a frequency you can transmit on. turn up the volume on scanner. Key mike...
:bowrofl:

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That is how the people at DARPA think. they take things and use them in unconventional ways, to see what happens.

Confirmed full quieting signal in the Sequim area for the reverse pair.

At my shop over Sequim I have 6 bars on my HT1550 and almost nothing of the affected repeater.

Inciting the repeater operating with 100Hz does not seem to bring up the reverse machine.

But one that ID's seems to induce the loop.

Ive got my yagi at this point but left my wireless card in my wifes car...

Ill update later.

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"A well regulated breakfast, being necessary to the healthy start of the day, the right of the people to keep and eat food shall not be infringed."

Got some emails from VE7land... Handhelds in Victoria picking this up with NO antenna...

Gotta be close!

Eric
KB7DQH

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That is how the people at DARPA think. they take things and use them in unconventional ways, to see what happens.

All my bearings pointed to the Victoria area.

After a little conversation and help from a local group there the upside down repeater has disappeared from the air.

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"A well regulated breakfast, being necessary to the healthy start of the day, the right of the people to keep and eat food shall not be infringed."