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  • Greg G.'s Avatar
    05-18-2018, 12:59 PM
    Greg G. replied to a thread Land line phone in Our Town
    You are correct, been a long time since i worked on that stuff. Don't know why I said 24 volt tip to ring, we ran a + and - 24 vdc power supplies connected ground to hot to make 48 volts dc, getting old I guess.[smilie=b:
    28 replies | 679 view(s)
  • Greg G.'s Avatar
    05-16-2018, 02:20 PM
    Greg G. replied to a thread Land line phone in Our Town
    My first job was fixing circuit cards for a company the made PBX systems for hotel/motel phone systems. That was back when they payed you to fix electronics instead of throwing it out and buying a new one.:smile:
    28 replies | 679 view(s)
  • Greg G.'s Avatar
    05-16-2018, 11:06 AM
    Greg G. replied to a thread Land line phone in Our Town
    Red and Green are whats called the tip and ring, old terminology from when operators would move cables to connect calls. You should be able to measure 48 volts DC between them and about 270 volts AC when a call comes in, AKA ring voltage. If no 48...
    28 replies | 679 view(s)
  • Greg G.'s Avatar
    04-25-2018, 01:02 PM
    Son got me this when he finished his second tour in Afghanistan.
    18 replies | 688 view(s)
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About Greg G.

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About Greg G.
Hugo, MN
all things that go boom
Mechanic / Electronics


Do not conform to the pattern of this world, but be transformed by the renewing of your mind. Then you will be able to test and approve what God’s will is—his good, pleasing and perfect will. Romans 12:2


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05-18-2018 04:11 PM
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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check