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 1.Geiger Counter World Map(www.GMCmap.com)
 ACPM going haywire
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mnrad

USA
11 Posts

Posted - 06/25/2019 :  16:48:38  Show Profile  Reply with Quote
Hi All,
The average Counts per minute at my station started going haywire sometime yesterday - was at 17.21 then skyrocketed without a spike in actual CPM data. Now its moving around between 2 and thousands of CPM. Any idea what is going on?
Reply #1

EmfDev

921 Posts

Posted - 06/26/2019 :  09:24:33  Show Profile  Reply with Quote
Hi mnrad, what software are you using on which GMC model?
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Reply #2

mnrad

USA
11 Posts

Posted - 06/26/2019 :  12:57:52  Show Profile  Reply with Quote
GMC-320 Plus

Just direct to the server over WiFi

quote:
Originally posted by EmfDev

Hi mnrad, what software are you using on which GMC model?

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Reply #3

EmfDev

921 Posts

Posted - 06/26/2019 :  13:21:58  Show Profile  Reply with Quote
Have you checked your ACPM in text mode? is it also high? And what's your max CPM?
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Reply #4

mnrad

USA
11 Posts

Posted - 06/26/2019 :  14:08:34  Show Profile  Reply with Quote
Yes, it is also high. Checked in text and csv. Max is ~650CPM. But I have not had any spikes in actual CPM values and the ACPM values make no sense.
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Reply #5

EmfDev

921 Posts

Posted - 06/26/2019 :  14:44:32  Show Profile  Reply with Quote
Looks like its a bug. There's a bug where every 45 days the CPM spiked.
Can you check if elapsed day is ~45.
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Reply #6

mnrad

USA
11 Posts

Posted - 06/26/2019 :  15:41:21  Show Profile  Reply with Quote
Yes, it is ~ day 45 since I've started submitting data. Hopefully the ACPM values will normalize soon - its still up at ~500CPM average while my data is showing 10-30CPM.
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Reply #7

EmfDev

921 Posts

Posted - 06/26/2019 :  16:10:09  Show Profile  Reply with Quote
Yeah looks like there's still a but that isn't fixed. It has been reported before but it's hard to produce because it happens every 45 days that the ACPM just spikes.
There's no way to fix the ACPM unless you restart the unit.
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Reply #8

MeasureMan

Germany
3 Posts

Posted - 08/31/2019 :  06:33:51  Show Profile  Reply with Quote
I think I have the same issue, have a look at h**p://www.gmcmap.com/historyData.asp?Param_ID=84088394441 I Have a GMC320+V5 Re 5.51. Is there a fix available?
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Reply #9

EmfDev

921 Posts

Posted - 09/03/2019 :  09:56:40  Show Profile  Reply with Quote
Looks like the problem is in the number of total minutes. 60*24*45 = ~65k. The GMC300/320 units are only 16 bits an can't handle those number I think so it's going to roll back to 0. We will check the code.
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Reply #10

EmfDev

921 Posts

Posted - 09/09/2019 :  14:07:14  Show Profile  Reply with Quote
Hello, a new firmware has been released for a fix on this issue. If there's still a problem after 45 days please let me know.
Also, please email me with your serial number for a firmware upgrade. Thanks.

Edited by - EmfDev on 09/09/2019 14:07:30
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Reply #11

JJT

1 Posts

Posted - 10/09/2019 :  10:02:26  Show Profile  Reply with Quote
I do believe that I need a firmware upgrade for my GMC-320+ Rev. 4.2 serial #XXXXXXXXXIs that something you can email me?



quote:
Originally posted by EmfDev

Hello, a new firmware has been released for a fix on this issue. If there's still a problem after 45 days please let me know.
Also, please email me with your serial number for a firmware upgrade. Thanks.

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Reply #12

EmfDev

921 Posts

Posted - 10/09/2019 :  11:53:07  Show Profile  Reply with Quote
Hi JJT. I sent you an email.
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Reply #13

mnrad

USA
11 Posts

Posted - 11/01/2019 :  11:26:27  Show Profile  Reply with Quote
quote:
Originally posted by EmfDev

Hi JJT. I sent you an email.



Hello emfdev, I also need a firmware upgrade. My serial number is ****

Thanks,
MNRAD
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Reply #14

EmfDev

921 Posts

Posted - 11/01/2019 :  12:43:38  Show Profile  Reply with Quote
mnrad, I send you an email.
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