[Milsurplus] [Army-Radios] BC-611 solid state ?

[Mike Feher]

Hi Perry - I realize I never sent you any photos of the 474 power supply. If you google "visit n4fs" you will see a bunch of thumbnails that can be enlarged by clicking on them. Unfortunately these were taken 14 years ago and the following year the basement flooded due to a burst water heater. Now, I cannot even gat back in that area. The PS can be seen behind a speaker in front of it. It slides into the battery compartment and has connectors on the front for the receiver and the transmitter. It is an all linear PS and works on 120VAC. The 474 can be seen right of the whiteboard on the wall. Hope you are well. 73 - Mike 

Mike B. Feher, N4FS
89 Arnold Blvd.
Howell NJ 07731
848-245-9115

-----Original Message-----
From: milsurplus-bounces at mailman.qth.net <milsurplus-bounces at mailman.qth.net> On Behalf Of w8au at sssnet.com
Sent: Thursday, August 12, 2021 1:55 AM
To: main at Army-Radios.groups.io
Cc: milsurplus at mailman.qth.net
Subject: Re: [Milsurplus] [Army-Radios] BC-611 solid state ?

My record with BC-611 is 7 miles over water from ship to shore. obviously the salt water and line-of-site helps a lot. :-)

Perry w9au


> I never thought that the 611 was a bad performer as it is. Actually I 
> was pretty impressed. 73 – Mike
>
>
>
> Mike B. Feher, N4FS
>
> 89 Arnold Blvd.
>
> Howell NJ 07731
>
> 848-245-9115
>
>
>
> From: main at Army-Radios.groups.io <main at Army-Radios.groups.io> On 
> Behalf Of J Mcvey via groups.io
> Sent: Wednesday, August 11, 2021 9:03 PM
> To: milsurplus at mailman.qth.net; main at army-radios.groups.io; 
> main at Army-Radios.groups.io
> Subject: Re: [Army-Radios] BC-611 solid state ?
>
>
>
> The same will be true for the AF power output if they just subbed 
> everything with FETs !
>
> The radio was a rather "weak" performer with the original parts,so it 
> seems like one is going from bad to worse with such a mod.
>
>
>
> On Tuesday, August 10, 2021, 11:02:46 PM EDT, Hue Miller 
> <kargo_cult at msn.com <mailto:kargo_cult at msn.com> > wrote:
>
>
>
>
>
> Some of you have seen that article on solidstating the BC-611. As I 
> recall, it was pretty much
>
> JFETs all the way thru. I wondered about that approach, which seems to 
> me a little unsophisticated.
>
> Like, with 12 volts, that's 1/10 the usual transmitter operating 
> voltage, and I don't recall the JFET
>
> circuit taps down on plate coil, so the new transmitter power is going 
> to be even more miniscule.
>
> Maybe the point was just to demonstrate that it can be done, forget 
> actual range.
>
> I recently looked at 3 of BC-611 I have in storage, that's what got me 
> thinking about these again.
>
> -Hue Miller
>
>
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