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
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
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
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
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
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
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
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