[Milsurplus] BC-611 Operational Question

[Mark K3MSB]

Hue, somewhere have that photo of the ground SCR-274N.  As I recall a P-38
unit was using it.

I’ll try to dig it up.

Mark K3MSB

On Fri, May 2, 2025 at 5:26 PM Hubert Miller <Kargo_cult at msn.com> wrote:

> BTW, the topic "BC-611" inspires these thoughts:
>
> 1- Would a "draggie ground" wire enhance the transmission range ?
> 2- Some years back another ham fellow wrote that he had once touched the
> BC-611 antenna to a metal flagpole and this had enhanced the transmission
> range.
> He did not say anything about how the flagpole was grounded or if, or any
> othe specifices. What think ?
> 3- Remember that guy, actually a ham radio guy, who sold a couple BC-611
> transistorized by him, sold these maybe 10 - 15 years ago ? He declined to
> answer
> my polite email inquiry. I have the partial doc, but only has the receiver
> mods, which were not what you would really call "smart", as it used JFETs
> throughout.
> I was kind of surprised the receiver didn't "take off" on its own, if you
> know what i mean, unneutralized RF amps. I suppose you could do the same
> dumb JFET
> conversion of the xmtr, but how do you develop any power like that, above
> maybe 80 mW INPUT ? So i am wondering, if you did this, how do you get a
> high
> impedance modulating device, using only the original 611 components ?
>
> I think my friend, with experience with both radios, said the MAB had a
> better antenna but no RF amp, while the BC-611 had the RF stage but a less
> effective
> antenna. The fixed antenna was surely a design fault. I recall being shown
> a BC-611 that had been thrown away, abandoned in a ditch in the Nederlands,
> because the antenna was broken off.
> -Hue Miller
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