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1. [Amps] Power expressed in db (score: 210): Author: realex at flash.net (realex); Date: Tue Feb 11 18:47:23 2003; The power ratings are most likely in dBm (dB milliwatt). 10 dBm = 10 X .001 Watt = .01 Watt 20 dBm = 100 X .001 Watt = .1 Watt 30 dBm = 1000 X .001 Watt = 1 Watt so.... 40 dBm = 10 watt, 50 dBm = 100; /archives//html/Amps/2003-02/msg00267.html (7,311 bytes)
2. [Amps] Power expressed in db (score: 210): Author: realex at flash.net (realex); Date: Tue Feb 11 19:52:37 2003; Just found my typo... 63 is 2000 Watts The power ratings are most likely in dBm (dB milliwatt). 10 dBm = 10 X .001 Watt = .01 Watt 20 dBm = 100 X .001 Watt = .1 Watt 30 dBm = 1000 X .001 Watt = 1 Wat; /archives//html/Amps/2003-02/msg00269.html (7,898 bytes)
3. [Amps] SB220 Improvements (score: 210): Author: realex at flash.net (realex); Date: Wed Feb 12 06:45:40 2003; Tom, In the mid 70's I went to work at Heathkit as a Ham Tech. One of the first rigs I had to work on was a SB220. I replaced burned chokes/caps on the tube sockets and sent the rig back to the custo; /archives//html/Amps/2003-02/msg00277.html (8,966 bytes)
4. [Amps] Heathkit SB-220/221 HV Transformer (score: 210): Author: realex at flash.net (realex); Date: Sat Aug 2 17:17:55 2003; I don't think you have a Heathkit SB220 transformer. They provided 2500 VDC @ 800 Ma with a voltage doubler. 73, Bob, W5AH I have just acquired the above referenced transformer and plan to use it to; /archives//html/Amps/2002-09/msg00297.html (7,936 bytes)

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