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    This is the first Instructable i can say about it: So awesome!

    So much information! Thanks for sharing!

    Thanks - glad you like it! :)

    190-60 = 130 CPM ave.

    You have done a great great Job explaining the semiconductors besides using other types of solid state tubes. How much would this cost. I do experiments with clover and Thorium and it a gamma emitter (pretty high).

    So I bought this to read up to 65,000 CPM!!! The meter was 160 dollars CAN.

    Nice!!! I LOVE the use of silicon detectors, I fact I've actually been doing some research of my own. One technique I've found that helped reduce noise involves using a 4-5 second delay circuit with a peak detector and comparator to help auto calibrate it against noise from RF waves as well as small light leaks. Keep exploring!

    Oh yeah, I also spotted a little bit of disinformation though. In the Instructable you stated that the detectors undergo "performance degradation" from high radiation fields which is simply not true. It should be noted that only electronics using EEPROM and other low capacitance devices are majorly affected by radiation (this is due to ionizing radiation causing ionization and thus conduction in the silicon dioxide insulating layer). Other than that the radiation has basically no effects on electronics.

    This is really great I would love try it out.Good job.