[AMRadio] Gas and mecury rectifiers

2008-04-29 Thread John coleman
Don, I don't know why but this has stuck a curiosity point in me. Do you know anything about the pressure in these tubes? I'm sure the mercury vapor rectifier tubes are supposed to be vacated of air, but what is the mercury vapor pressure and what is the difference in pressure fr

[AMRadio] Collection for sale

2008-04-29 Thread Anthony W. DePrato
1. GT 550A RV 550A RF-550A SC-550A AC-400 F3 cw filter PR-550 phone patch. bought new by me excellent shape cap in power supply need replaced as getting slight hum on receiver audio now. $500.00 2. Hallicrafters SX-71Black face very good shape works $200.00 3. Hallicrafters WR-600 Mint work

RE: [AMRadio] Collection for sale

2008-04-29 Thread Bob Peters
Tony, Does the Space Spanner have the cabinet with it??? And is the S38E clean paint ect??? If yes to the above will you ship them??? Bob W1PE -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Anthony W. DePrato Sent: Tuesday, April 29, 2008 10:47 AM To: am

RE: [AMRadio] Collection for sale

2008-04-29 Thread Bob Peters
Sorry Brian and Jim I thought this was on AMSWAP and did not check the reply adr first... Bob W1PE -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Bob Peters Sent: Tuesday, April 29, 2008 10:44 AM To: 'Discussion of AM Radio in the Amateur Service' Subjec

Re: [AMRadio] Collection for sale

2008-04-29 Thread Joe Crawford
I just forwarded it to AM Swap. Joe W4AAB - Original Message - From: "Bob Peters" <[EMAIL PROTECTED]> To: "'Discussion of AM Radio in the Amateur Service'" Sent: Tuesday, April 29, 2008 10:50 AM Subject: RE: [AMRadio] Collection for sale Sorry Bria

[AMRadio] Re: Gas and mecury rectifiers

2008-04-29 Thread D. Chester
Do you know anything about the pressure in these tubes? I'm sure the mercury vapor rectifier tubes are supposed to be vacated of air, but what is the mercury vapor pressure and what is the difference in pressure from cold to hot. I wonder if it is just a result of a vacuum leak that causes some

[AMRadio] ARRL and 80/20

2008-04-29 Thread [EMAIL PROTECTED]
All A lot of hot water has gone under the bridge regarding the ARRL on this discussion list. Just a few comments from this end of the woods- First, the fact that "only" 20% of hams are members of ARRL, well, I would say that not even 20% of hams are active at all in ham radio. In fact, I would