Pirates captured

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Shane
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Pirates captured

Post by Shane » Wed Oct 18, 2017 11:46 am

This excerpt is from Radio Ink:
Dony Joseph and Ali Isnor, Good Guyz Painting & Pressure Cleaning LLC, Pompano Beach, Florida at 98.5.
Delray Beach Investments in Delray Beach, Florida on 104.7 in Delray Beach.
Dominique Jean Louis of Lauderdale Lakes, Florida on 106.3 in Lauderdale Lakes.
Elizabeth Plaisime of Delray Beach, Florida on 95.1 in Delray Beach.
Jean Dumay of Sunrise, Florida on 92.7 in Sunrise.

Acerome Jean Charles and Concord Promo of Mattapan, Massachusetts on the frequency 100.1 in Brockton, Massachusetts.
New Fellowship Baptist Church in Dorchester, Massachusetts on 105.3 in Dorchester.
Patrick Jean Romain of Dorchester Center, Massachusetts on 90.1 in Mattapan, Massachusetts.
Michelle Joseph of Dorchester Center, Massachusetts on 105.3 in Dorchester.
Quinton Joseph of Dorchester Center, Massachusetts on 105.3 in Dorchester.
Dominique Donna of Randolph, Massachusetts on 92.1 in Randolph.
Tracy Wetmore of Everett, Massachusetts on 97.9 in Everett.

Geraldine B. Ballentine of Hackensack, New Jersey on 90.5 in Hackensack.
Kimberley Baptiste of Brooklyn, New York on 99.3 in Brooklyn.
Mike Shane, CBRE
---Omaha---

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Deep Thought
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Re: Pirates captured

Post by Deep Thought » Wed Oct 18, 2017 7:32 pm

Arrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr

I have a difficult time taking this new-found enforcement backbone seriously when there are so many licensed stations operating illegally that they conveniently ignore. Those cause far more interference than your average pirate.
Mark Mueller • Mueller Broadcast Design • La Grange, IL • http://www.muellerbroadcastdesign.com

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kkiddkkidd
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Re: Pirates captured

Post by kkiddkkidd » Thu Oct 19, 2017 3:45 pm

Deep Thought wrote:
Wed Oct 18, 2017 7:32 pm
Arrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr

I have a difficult time taking this new-found enforcement backbone seriously when there are so many licensed stations operating illegally that they conveniently ignore. Those cause far more interference than your average pirate.
Ain't that the truth. I have just today been asked to investigate an xlator that is causing interference inside a full power station's 60dbu about 20km outside the back side of the highly directional xlator's 40dbu contour (as calculated by radio-locator). Not yet ready to say that it is malicious but their coverage seems to be magnitudes better off the backside of the crossed yagi than it should be.
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Kevin C. Kidd CSRE/AMD
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Lee_Wheeler
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Re: Pirates captured

Post by Lee_Wheeler » Fri Oct 20, 2017 3:34 pm

The problem with the "off the shelf" directionals is that they in no way take the actual structure into account. The installer, however, can take the structure into account and play games accordingly. I have seen one that had a standoff built and oriented the antenna so that is was more or less aiming down the face of the tower from the back side rather than being pointed off the leg. It appeared that the orientation was more or less correct but the pattern was certainly nothing like the book pattern.

The problem with all of this is proving it. FIM-71 readings from the ground are pretty meaningless.


...Lee

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kkiddkkidd
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Re: Pirates captured

Post by kkiddkkidd » Fri Oct 20, 2017 6:07 pm

Lee_Wheeler wrote:
Fri Oct 20, 2017 3:34 pm
The problem with the "off the shelf" directionals is that they in no way take the actual structure into account. The installer, however, can take the structure into account and play games accordingly. I have seen one that had a standoff built and oriented the antenna so that is was more or less aiming down the face of the tower from the back side rather than being pointed off the leg. It appeared that the orientation was more or less correct but the pattern was certainly nothing like the book pattern.

The problem with all of this is proving it. FIM-71 readings from the ground are pretty meaningless.


...Lee
This is supposed to be a Scala CA2/CP mounted on a pole on top of the tower. The only way that I can model enough signal strength in the area of the complaints is either the yagi is pointed that direction or has been replaced with a ND. I know the tower guy that installed it and have no doubt that he installed it as licensed but don't have any idea who (or what) might have happened since. My client thinks that the xlator had been operating for a year or so before the interference started.
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Kevin C. Kidd CSRE/AMD
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Deep Thought
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Re: Pirates captured

Post by Deep Thought » Sat Oct 21, 2017 10:27 pm

Lee_Wheeler wrote:
Fri Oct 20, 2017 3:34 pm
The problem with all of this is proving it. FIM-71 readings from the ground are pretty meaningless.
Drone measurements are fairly accurate. The convergence of UAVs and SDRs have made relative pattern measurements fairly easy.
Mark Mueller • Mueller Broadcast Design • La Grange, IL • http://www.muellerbroadcastdesign.com

w9wi
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Re: Pirates captured

Post by w9wi » Sun Oct 22, 2017 6:58 am

(There was an interesting presentation on that topic at the Broadcaster's Clinic two weeks ago. He mentioned (but hadn't tried) another interesting application -- flying a thermal imaging camera to check for transmission line and antenna hotspots.)
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Dale H. Cook
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Re: Pirates captured

Post by Dale H. Cook » Mon Oct 23, 2017 11:51 am

I just got the first drone view of the antenna of a station that I am involved with. It is an LPFM still under construction that I am advising, and donating some labor to, as they are a 501(c)(3).
Dale H. Cook, Contract Engineer, Roanoke/Lynchburg, VA
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kkiddkkidd
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Re: Pirates captured

Post by kkiddkkidd » Tue Oct 24, 2017 2:36 pm

w9wi wrote:
Sun Oct 22, 2017 6:58 am
(There was an interesting presentation on that topic at the Broadcaster's Clinic two weeks ago. He mentioned (but hadn't tried) another interesting application -- flying a thermal imaging camera to check for transmission line and antenna hotspots.)
I wish that I could do that with my Phantom3. It would easily carry an android with something like a Seek thermal imager attached but you would literally be shooting in the dark with no live video.

The last time that I looked, a decent thermal camera upgrade for my air craft was about $4k.
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Kevin C. Kidd CSRE/AMD
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w9wi
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Re: Pirates captured

Post by w9wi » Tue Oct 24, 2017 3:14 pm

His drone was homemade. He was flying a SDR and a Raspberry Pi. We have a couple of Phantom 4's here at WSMV - I'm of the impression this guy's drone has far more capacity than a Phantom 4.
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Doug Smith W9WI
Pleasant View, TN EM66

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