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  Map Scale Icon definitions
Posted by: Mollie - 2014-07-31, 19:41 - Forum: Website, Maps and Applications - Replies (3)

Hello,

I see no scale icons defining the red, yellow, orange colors. It seems that white is lightning.

I am curious to know what the different colored dots mean.

thank you,

Mollie

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  When are kits back in stock?
Posted by: Crozing - 2014-07-31, 01:20 - Forum: General Discussion - Replies (76)

I was looking to purchase a kit a few weeks ago and as many have discovered they were all sold out. My questions of when they might be available again was answered with a "periodically check blitzortung.org." Can anyone confirm where the information might be posted? Alternatively an answer to this post when someone knows they're available and I'll get an email.

I'm new to using forums so i'm not sure how to monitor them so I apologise in advance if I'm being a dummkopf.

TIA

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  Surplus Anyone?
Posted by: Bonzo - 2014-07-30, 16:23 - Forum: General Discussion - No Replies

What a bummer! For a couple of years I was thinking about my own lighning detection and finally I found the Blitzortung system
and after hours, days or weeks trying to understand the technique and requirements my conclusion was, that this could work for me.
So let's order one, I thought. Holiday comes and it is thunderstorm season.

But yesterday I got feedback that there are no PCBs available anymore even for a longer time.
... maybe a lot of people thought it's holiday and it is thunderstorm season?! ;-)

I understand from the FAQ that Gerbers or PCB design files will not be available in public (which I can understand in
terms of reliability of data). We have a small facility for double layer proto boards with through hole vias at work.

I have a faint hope that anyone has some surplus. E.g. ordered too much; no time,
overestimates skills, prefered to buy a pony instead, ... ;-)

If that is the case and you have PCB you do not need, drop me a PN.

Apologizes for my pert question and thanks for reading. Hopefully I can give something useful back some time.

- Jürgen -

Edit: BTW: I am located in the Netherlands and my native language is German.

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  Bad accuracy in south Sweden
Posted by: merald - 2014-07-29, 12:19 - Forum: Hardware, Software, Lightning Physics - No Replies

Last thunderstorm a lightning strike just in my backyard of house. But maps showed a strike 20km away. What is the accuracy you could expect? Can you give input for this, or do I need to setup a station at my house?

I asked to do so, but there was no empty slots for getting one Sad

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  Low effectivity
Posted by: Snicker - 2014-07-29, 12:12 - Forum: Hardware, Software, Lightning Physics - Replies (13)

Hi Blitzortung users,

I finally got my new detector online, but I have very low Effectivity ratio. Only 2%. Why is it so low? How can I get it higher? How do I find the lowest noise spot in my house? Use noise floor and walk around with it?

Settings:
[Image: blitzortung1.JPG]

Signals:
[Image: blitzortung2.JPG]

Noise Floor:
[Image: blitzortung3.JPG]

Station ID: 1122

Thank you all for this awesome community Big Grin

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  Expanding detection to nuclear events
Posted by: aigarius - 2014-07-29, 10:02 - Forum: General Discussion - Replies (1)

With grow of instability in local areas around the world and grow in technology and knowledge it slowly becomes more and more likely that non-government agents might use a nuclear device in one of the many hot spots around the world. Having an independent real-time source of information that would notify population of such events could provide huge benefits to survival of people.

Now, Blitzortung already has radio frequency monitoring stations and triangulation software with real-time output. Nuclear events produce a significant electromagnetic pulse. I am not an electrical engineer, but my guess is that such a pulse could theoretically be detectable with current Blitzortung hardware. If that is true, then it would only be a question of software changes and some kind of calibration data to add support for recognizing and displaying such information along with saving copies of raw signals for future law enforcement analysis.

I am pretty sure that this would require government cooperation to provide some information on the EM pulse profile of different nuclear events, but the public benefit might be a worthy enough cause to convince them to share the data, at least to some developers under appropriate NDAs.

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  Frequency Of Operation?
Posted by: WB9SBD - 2014-07-28, 13:27 - Forum: Hardware, Software, Lightning Physics - Replies (4)

I am curious as to what frequencies are used in these systems.

Joe WB9SBD

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  Phoenix, Arizona, a hole in the coverage?
Posted by: jerrya - 2014-07-24, 04:36 - Forum: General Discussion - Replies (5)

I'm in the 85032 zip code in the US, and we are in the middle of a summer thunderstorm. It's pretty active and has lasted about 20 minutes now.

And yet, the map during this time shows (just about) nothing in Phoenix, Arizona. It is registering strikes in Canada, Mexico, Louisiana, North Dakota, ....

Earlier today, when there was no lightning here, I did see the map register strikes outside of the city about 30 miles away, and elsewhere in Arizona.

What would cause lightning strikes *not* to be mapped?

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  Lightning strikes heard, but did not appear on map.
Posted by: WØTDH - 2014-07-23, 21:36 - Forum: Hardware, Software, Lightning Physics - Replies (19)

We heard three/four strikes near us, but no indication of those on map.
( During last two T.S that passed through today )
Intensity of strikes too low or no rcvr site near enough to our location?

73,

Tom - WØTDH

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  Jameco BOM / OSHPark PCB?
Posted by: RussNelson - 2014-07-23, 16:54 - Forum: General Discussion - Replies (1)

Hi. I was wondering if anybody had set up a Jameco BOM for the parts for the hardware?
Also, OSHPark is happy to send you three copies of a board, AND you can make the PCB design public, so that anybody can order a (well, three) copy of the board just by visiting a URL.

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