Message-ID: <01C51980.7E14FC60.actalbot@southsurf.com>
From: Andy <actalbot@southsurf.com>
To: "'rsgb_lf_group@blacksheep.org'" <rsgb_lf_group@blacksheep.org>
Date: Wed, 23 Feb 2005 08:20:10 -0000
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Organization: UKNWN(UK)
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Subject: RE: Re[2]: LF: Off Topic  Ft101zd
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These days you might have a custom 24 bit A/D converter at the front end of an 
HF receiver for [the modern day equivalent equivalent of WW2 monitoring 
stations] that digitises the entire HF spectrum in one go.

Bet that costs more than the modern, equivalent of 7/6
Just old enough to remember ancient money system :-(

Andy  G4JNT


On Tuesday, February 22, 2005 9:31 PM, captbrian 
[SMTP:captbrian@ukonline.co.uk] wrote:
> I retreat in confusion but at 7/6d each it is not something I would have
> contemplated.
>
> Bryan
> ----- Original Message -----
> From: John Rabson <word.factory@zetnet.co.uk>
> To: <rsgb_lf_group@blacksheep.org>
> Sent: Tuesday, February 22, 2005 9:17 PM
> Subject: Re[2]: LF: Off Topic Ft101zd
>
>
> It has been known for people to use an 807 as a first RF stage, and I
> believe that at World War II monitoring stations it was used as in broadband
> amplifiers to feed a substantial number of HROs and AR88s.
>
> 73
> John G3PAI
>
> *********** REPLY SEPARATOR  ***********
>
> On 22/02/2005 at 17:52 captbrian wrote:
>
> >Hardly an 807 (beam power tetrode):  more like a EF50  (high gain
> >pentode) but let's not get into this old man's talk ;-)) or we'll be into
> >the 'young lads today don't know anything ' syndrome and the truth is that
> >..there's more in a 706iig  than I could have got into two  6 foot
> >racks... Mind you it doesn't keep the shack so warm in this (UK) weather
> >
> >Bryan
> >  ----- Original Message -----
> >  From: G4gvw@aol.com
> >  To: rsgb_lf_group@blacksheep.org
> >  Sent: Tuesday, February 22, 2005 5:30 PM
> >  Subject: Re: LF: Off Topic Ft101zd
> >
> >
> >  Wrong Brian !
> >
> >  A real amateur wouldn't have put a bulb there in the first place. The
> >input inductor would have been 10g enam copper (ex-surplus txformer) and
> >the Ist RF would have been an 807 !
> >
> >  73 de Pat g4gvw !
>
>
>
>
>
>