[MRCA] [MMRCG] BC-654 project

Sat Jan 18 20:31:46 EST 2025

>>no regular use of CW above 3800 by US amateurs.

Agreed.  I gave Mark Dorney's statement a very raised eyebrow.

Mark K3MSB

On Sat, Jan 18, 2025, 8:16 PM Christopher Bowne <aj1g at sbcglobal.net> wrote:

> There is a regular CW signal in the vicinity of 3885 at night that is
> regularly copied in the northeast US that is confirmed to be a French
> military sending 5 characters code groups for Morse operator training.  Not
> very strong on this side of the pond but very loud on European on
> line accessible Kiwi SDRs.  The upper frequency limit for amateur
> operation on 80 meters is 3800
> kHz.  Theee are also number of NATO military and what are likely high
> speed HF stock and commodity trading systems with huge broadband signals
> from Europe at night above 3800 through the top of the band and also some
> digital broadcasting. I know of no regular use of CW above 3800 by US
> amateurs.
>
> On occasion, portable
> and mobile stations, myself included, will check into the Old Military
> Radio Net on 3885 because they know that they will likely not be copyable
> on low power with small antennas on AM. Of course it’s perfectly legal to
> operate on CW on the phone bands, it’s just rarely done.
>
> AJ1G
>
> Sent from my iPhone
>
> On Jan 18, 2025, at 19:02, J Mcvey via MRCA <mrca at mailman.qth.net> wrote:
>
> 
> I get the idea of making the radio more practical, but then the dial is
> all jacked up. So you put a tag on it saying something like "add 200Khz to
> dial setting"?
>
> On Saturday, January 18, 2025 at 06:11:04 PM EST, MARK DORNEY via MRCA <
> mrca at mailman.qth.net> wrote:
>
>
> I hear is quite often on 3885 kHz in NY
>
> 73
> Mark D.
> WW2RDO
>
> “In matters of style, float with the current. In matters of Principle,
> stand like a rock. “.   -   Thomas Jefferson
>
> Sent from my iPhone
>
> On Jan 18, 2025, at 1:49 PM, Mark K3MSB <mark.k3msb at gmail.com> wrote:
>
> 
> You're not going to find CW above 3800 unless it's pre-arranged.
>
> Mark K3MSB
>
> On Sat, Jan 18, 2025, 12:25 PM MARK DORNEY via MRCA <mrca at mailman.qth.net>
> wrote:
>
> So you operate where they originally did. Not a problem. I have.
>
> 73
>
> Mark D.
> WW2RDO
>
> “In matters of style, float with the current. In matters of Principle,
> stand like a rock. “.   -   Thomas Jefferson
>
> Sent from my iPhone
>
> On Jan 18, 2025, at 10:49 AM, Christopher Bowne <aj1g at sbcglobal.net>
> wrote:
>
> My name is Chris and I also padded down my BC-654 to operate in the CW
> band of 80 meters.  IIRC they otherwise didn’t tune below about 3800 kc.
>
> 73 de Chris, AJ1G Stonington CT
> Sent from my iPhone
>
> On Jan 17, 2025, at 21:50, Ray Fantini via MRCA <mrca at mailman.qth.net>
> wrote:
>
> 
> I am an Idiot! You don’t take apart the front panel; you just slide the
> chassis over after releasing the bottom and one side screw!
>
> As far as the chart not working the owner of the radio wants  something
> that covers the entire eighty meter band so it's not my call, he intends to
> use the radio on the air, and I am all for that sort of attitude.
>
> Ray F/KA3EKH
>
> ------------------------------
> *From:* MARK DORNEY <mkdorney at aol.com>
> *Sent:* Friday, January 17, 2025 8:07 PM
> *To:* J Mcvey <ac2eu at yahoo.com>
> *Cc:* MMRCG at groups.io <MMRCG at groups.io>; mrca at mailman.qth.net <
> mrca at mailman.qth.net>; Ray Fantini <RAFANTINI at salisbury.edu>
> *Subject:* Re: [MRCA] [MMRCG] BC-654 project
>
>
> CAUTION: This email originated from outside of Salisbury University.
> Please exercise caution when clicking links or opening attachments from
> external sources.
>
> You do know that if you modify the frequency range, the original tuning
> charts attached to the lid of the radio will be useless.
>
> 73
> Mark D.
> WW2RDO
>
> “In matters of style, float with the current. In matters of Principle,
> stand like a rock. “.   -   Thomas Jefferson
>
> Sent from my iPhone
>
> On Jan 17, 2025, at 5:46 PM, J Mcvey via MRCA <mrca at mailman.qth.net>
> wrote:
>
> 
> If memory serves me, All you have to do is disconnect the the lug harness
> on the side , take out a couple of screws, and I think there was a hinge.
> I don't recall  having to unsolder anything to put it in service mode.
>
> On Friday, January 17, 2025 at 03:40:39 PM EST, Ray Fantini via groups.io
> <rafantini=salisbury.edu at groups.io> wrote:
>
>
> Have finally gotten down to working on the two BC-654 transmitter –
> Receivers that are in the shop. Going to go thru and replace all the
> capacitors and also modify the range with the excellent K4CHE web page as a
> guide. Couple questions have come up.
>
>
>
> First,
>
> It appears to me that you have to unsolder the dial light stuff and do a
> lot of work to remove the receiver chaise in order to have access to the
> guts? Am I missing something here? Is there an easy method to get to the
> underside of the receiver?
>
>
>
> Second,
>
> Assuming that I will be operating the receiver for a while outside the
> enclosure, without the transmitter attached. The manual shows some four
> wafer switch thing along with seeing the board that Mr. Smith built up for
> doing this but I looked at the stuff that’s out there on line, lot of what
> I am seeing was not to intuitive, so I drew up this design for a box that
> will allow you to run the receiver outside of the frame. Please study the
> attached drawing and feel free to comment.
>
>
>
> The plan is to start building this box maybe as soon as this weekend if I
> can get this access to the underside thing worked out first.
>
>
>
> Ray F/KA3EKH
>
>
>
>
>
> Manual gain control
>
> Bias
>
>
> _._,_._,_
> ------------------------------
> Groups.io Links:
>
> You receive all messages sent to this group.
>
> View/Reply Online (#4361) <https://groups.io/g/MMRCG/message/4361> | Reply
> to Group <MMRCG at groups.io?subject=Re:%20%5BMMRCG%5D%20BC-654%20project> | Reply
> to Sender
> <RAFANTINI at salisbury.edu?subject=Private:%20Re:%20%5BMMRCG%5D%20BC-654%20project>
> | Mute This Topic <https://groups.io/mt/110673852/2062694> | New Topic
> <https://groups.io/g/MMRCG/post>
> Your Subscription <https://groups.io/g/MMRCG/editsub/2062694> | Contact
> Group Owner <MMRCG+owner at groups.io> | Unsubscribe
> <https://groups.io/g/MMRCG/unsub> [ac2eu at yahoo.com]
> _._,_._,_
> ______________________________________________________________
> MRCA mailing list
> Home: http://mailman.qth.net/mailman/listinfo/mrca
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:MRCA at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> ______________________________________________________________
> MRCA mailing list
> Home: http://mailman.qth.net/mailman/listinfo/mrca
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:MRCA at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
> ______________________________________________________________
> MRCA mailing list
> Home: http://mailman.qth.net/mailman/listinfo/mrca
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:MRCA at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> ______________________________________________________________
> MRCA mailing list
> Home: http://mailman.qth.net/mailman/listinfo/mrca
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:MRCA at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
> ______________________________________________________________
> MRCA mailing list
> Home: http://mailman.qth.net/mailman/listinfo/mrca
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:MRCA at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> ______________________________________________________________
> MRCA mailing list
> Home: http://mailman.qth.net/mailman/listinfo/mrca
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:MRCA at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/mrca/attachments/20250118/c1e51587/attachment-0001.html>