-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 On Thu, 19 May 2016 14:45:26 +0000 Peter Gutmann <[email protected]> wrote:
> The counter you linked to looked like it was using a cheap M4011 tube > (Chinese equivalent of the ubiquitous Russian SBM-20), which means it Good eye! > wouldn't detect alpha, only beta and gamma. A reading of 15-30cpm is > pretty high, presumably you're in an area with higher background radiation? Reasonably so, yes. Post-industrial neighborhood, very old house, somewhat good view of the western sky. > How long did you run it for? Another issue is that keeping a pile of My Geiger counter died after an uptime of around fourteen months of being continuously powered on and feeding bits into a Python script on a spare netbook. The script detected the serial device suddenly disappearing and died with an exception, which a watchdog script picked up and e-mailed to me. I haven't been able to resurrect it. > components energised at 400-600V 24/7 probably isn't optimal in terms of > both power consumption and component life. It's USB powered so that wasn't really a big deal. As for component life, it undoubtedly burned parts of itself out. - -- The Doctor [412/724/301/703/415] PGP: 0x807B17C1 / 7960 1CDC 85C9 0B63 8D9F DD89 3BD8 FF2B 807B 17C1 WWW: https://drwho.virtadpt.net/ "What if it WAS the chicken??" --The Prime Minister, _Mirrormask_ -----BEGIN PGP SIGNATURE----- iQIcBAEBCgAGBQJXPflUAAoJED1np1pUQ8Rk8r0P/RINlG6sZS/VpwVHym4RzLUI xb+dCC8PD7CO5/k8svgwd9ZqzWsA0kPI666BZYjgyLPrb0cStJdpNHZ7BBOHldq3 vcj5hfiPmmMIAo+ZwJy56oJEbivVOhDhYrZkJIi6KKOF43twzf73Ms2U0iO04V0l rpO6+QZuinJ6BbqRiWbULukNk8UuKGLbL9OfrOBj4S9DUQOOLh/yy8Bxa5vaXHSY 0SQRxFFuuBV7B1FJL6RaOr98nHI+SIeNu23u20ZV/FZjdMlQwt290EPZU/J4nZJW MVtuqNrspwq0AgXyVsP2LRs4MDbeRDC/ynwdv//mOYt9rSkbJhv5/EF8hoHgZ+JE wd6jzxu/Xjo7IjimbmmSjfCx8XAYAPRBvS0eM7pTp7IXIGtOizyirhI2xbyzoH6G rzCUfTaLiiQEgV0JamKu/sOpkUqD2e4Ty1yoHefhZAVL4/WSP16M3vudg74p9Fwc lAX6CGjKUczWrMdYANtjrUGg8l3jWUg3mGzHDGN5NJ80jGsvUmg/qusiqQpp4QfB NlemBIDOUgfUqanEdj3XtFYH+wIeff00rNvzh+fpL6976bwKW44W2EYMOxtvB8J5 rTLnezKD7SAJQFklgDGw4jjXLJS8zfErATuPgQ8Av8xJMcQj4RxCm0FJ/usrnlXv 2HmRARwkCgfZSS872ZyL =cF6U -----END PGP SIGNATURE----- _______________________________________________ cryptography mailing list [email protected] http://lists.randombit.net/mailman/listinfo/cryptography
