Thanks Don https://tectogizmo.com/4-ways-to-turn-your-cell-phone-into-a-thermal-camera/ Otherwise, check your ham club for a volenteer fire fighter. Some departments have one to see the hot spots in
Good point. And that line of site quality is a good thing to narrow down the area. Are your referring to the W1TRC dish in the QST article? I built mine years ago with a prefab circuit board and the
Does everyone agree with this, that UV vision will work better than IR for possibly seeing tiny arc's on utility poles? There are a lot of options out there, in a consumer price range, for IR such as
Thanks for all the replies so far. Looks like UV it is. I wondered about modifying a digital camera by removing the filters as well. Seems like a project worth trying. Chuck AF4O I saw this video on
https://www.youtube.com/watch?v=-ATz5IMXbsQ I'm sure they don't cost over a hundred bucks, lol........... Chuck AF4O _______________________________________________ RFI mailing list RFI@contesting.co
Are all your coax/antenna connectors and grounds at the station tight? Chuck W4NBO On 5/2/21 8:27 PM, Michael Germino wrote: This has happened more than once. I get on a 80 meter net and knock my wi
As you may remember, I sighted my first strong arc with binoculars after triangulation, ultrasonic, etc. Its been fixed by the util for over a month and still gone gone :-) A not near as strong arc i
I came across this article a couple days ago; http://www.kk4ice.com/wp-content/uploads/2015/01/KK4ICE_Ultrasonic_RFI_Detection.pdf Use's a 18" satellite dish and surplus ultrasonic. Few details in th
Thanks Dave. Its a spotting scope. Like the ones you look downrange at the target to see where you hit and not the scope mounted on a rifle. This is the one I have; https://www.amazon.com/dp/B0728C4K
My dish, from the W1TRC QST article, is exactly those dimensions. Great info on the electronics Charlie. I'm sure I have room for improvement there. How does the RE250 sight with pinpoint? Crosshairs
Never claimed to be a master of the english language :-). I was attempting to distinguish between two arc's I had on a utility pole causing rfi. One was "stronger" (about 25+db over S9 on 80m) vs the
If you have been following my latest saga, I have a 3 phase pole at the corner of my back yard and another (both wood) in the front yard topped with 3x 7.2kv lines. Weeks ago I located an arc on the
To answer my own question I am guessing that dirt around the fused disconnects insulator allowing enough flow to arc to ground. And the crepe myrtle with its moist branch this time of year and deep r
Thanks Scott. I sometimes think if they would use a good pressure washer and hose these things down real well occasionally it would solve a lot of these issues. At any rate, I guess i should not wond
All I know is the crepe myrtle had overtaken the ~ lower 20' of the pole. Some branches >1" in diameter had grown around the pole, the branches flattening out as they touched the pole. Only thing at
The noise at the crepe myrtle, now trimmed away from the pole, is still gone. Only thing I can theorize is that it was a combination of perfect conditions. Dry ground here lately thus poor ground for
Sit down and whipped up a 40khz oscillator. If nothing else gives me confidence the dish is working. The dish is pretty much spot on and if go by max signal its very accurate at 30'. At some point ne
Unfortunately I painted the dish black many years ago.... For a super accuate method of tuning up a US dish you may want to try this: Use a flashlight some distance away (even 50ft) from your dish th
Looking at on audacity and listening too I am guessing 60/120hz power arc. But then again I have had so much of it in the past I hear it in my sleep, lol. First pull power to your house while rig is
Agreed Jim, thanks. I just have been fortunate to not need that horsepower (so far). With the 120hz gone, I am hearing some stuff occasionally that is likely from other homes nearby but its very inte