[TenTec] Centurion 422 Bias Circuit Solved

[jack]

sorry i typed 9 instead of 3 
jack

----- Original Message ----- 
From: "K0BX" <k0bx at arrl.net>
To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Sent: Thursday, February 05, 2009 7:00 PM
Subject: Re: [TenTec] Centurion 422 Bias Circuit Solved


> Jack, I don't know how you got those numbers either?  Maybe you 
> transpose something/
> 
> See below,  but your SN would mean May 1993, 1st production run and the 
> 5th one produced.  That is if I read the information below correctly?
> But thanks to everyone for the help.
> 
> Joe K0BX
> 
> 
> Serial Number Information
> Position Meaning
> Digits Pre-1992:
> BEFORE Week or month of manufacture, either correct or reversed depending
> the letter on model and year. "72" could be either 27th week or 2nd 
> month (ignore the 7.)
> Post-1992:
> Month of manufacture. Could be represented as single digit
> NOTE:
> Dates indicate when the radio was scheduled to be manufactured,
> not when it actually was ... the actual date of manufacture could be one 
> or two months
> later.
> Letter Separator. "C" from 2000 on. "A", "B" or "H" before.
> First digit AFTER Production run number within the month (or week in 
> early SN's)
> Next three digits Sequence number within the production run.
> Last digit Last digit of year of manufacture.
> So that .. 12C10480
> : Scheduled to be manufactured December 2000, Run 1, #048, but may have 
> been built a
> . month or two later.
> 
> jack wrote:
> 
>>according to the tentec code for serial numbers:
>>
>>amplifier s/n 5b10053
>>
>>means:
>>
>>5 = may
>>b=separator
>>1=production run for that month
>>034 =unit number for that run
>>9=year of manufacture
>>
>>jack
>>ak7o
>>
>>  
>>
>>  
>>
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