Re: [KX3] Re: filter for those with nearby AM broadcast stations

[Ken G Kopp]

I use BNC's on virtually -everything- here ... even my Bird 43.

The K3 and both WM2 sensors have been changed to BNC's.

FWIW ... Morse Express sells a nicely-done conversion kit with
adapter plates to fit the BNC to the SO-239's hole.  A class act.

73!

Ken Kopp - K0PP



On Thu, Dec 19, 2013 at 11:17 AM, Steve WB3LGC <[hidden email]> wrote:

>
>
> I agree on BNC’s and think they should be on the input to the 100W amp,
> too.  (and the output)
>
> 73, Steve WB3LGC
>
>
>
> *From:* [hidden email] [mailto:[hidden email]] *On Behalf Of *
> ken_w9lsl
>
> Please consider offering these with BNC connectors - I don't think I'm
> alone in standardizing on BNCs for anything I use with my KX3.
>
>  __._,_.___
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[Chuck Shefflette]

I hate to jump on the 'me-too' bandwagon, but in this case I will. I use either BNC or N connectors on everything. Those I can't change from UHF have adapters "permanently" installed. All my cables are terminated in BNC, most are crimped. I have been making cables for nearly 40 years now and always swore by soldered/clamped BNC but recently I've found that the ones that have caused problems are the clamped ones... I do prefer clamped ones outside since they are, by default, weathertight as long as they are somewhat sheltered.

My K3 (and my former K3) both have the BNC kits from Morse-Express installed. Perfect fit and very nicely done. 

Understandably, there is resistance to change since the amateur 'standard' has been UHF for so many years, but for size, ease of connect/disconnect, positive connection, and reliability, I will take the BNC over UHF any day of the week. For high power work or anything over about 4 GHz, the N would be my connector of choice. Of course, it is unlikely I'll ever have to worry about high-power since my K3 is rarely used above the 10W level and my KX3 has only seen 10W into a dummy load...

73,
Chuck - AA3CS

On Dec 19, 2013, at 01:30 PM, Ken G Kopp <[hidden email]> wrote:

I use BNC's on virtually -everything- here ... even my Bird 43.

The K3 and both WM2 sensors have been changed to BNC's.

FWIW ... Morse Express sells a nicely-done conversion kit with
adapter plates to fit the BNC to the SO-239's hole. A class act.

73!

Ken Kopp - K0PP
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[Bill Frantz]

When I was recently testing some Collins gear, built between
1960 and 1975 for a local woman who inherited it and wanted to
sell it, I noticed that the RF connections were RCA jacks. The
RF output from the transmitter which was rated 160 watts input
to the final amplifier was a RCA jack. (The manual said it was
about 100 watts output.) The only exception was the high power
amp which had RCA for input and N for output. How things have changed.

Cheers - Bill AE6JV

On 12/19/13 at 11:48 AM, [hidden email] (Chuck Shefflette - AA3CS) wrote:

>Understandably, there is resistance to change since the amateur
>'standard' has been UHF for so many years ...

-------------------------------------------------------------------------
Bill Frantz        | Re: Hardware Management Modes: | Periwinkle
[phone]      | If there's a mode, there's a   | 16345
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CA 95032

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[Lynn W. Taylor, WB6UUT]

On 12/19/2013 11:48 AM, Chuck Shefflette - AA3CS wrote:
> amateur 'standard' has been UHF for so many years
The nice thing about standards is that there are so many to choose from.
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[Phil Kane-2]

On 12/19/2013 8:13 PM, Bill Frantz wrote:

> When I was recently testing some Collins gear, built between 1960 and
> 1975 for a local woman who inherited it and wanted to sell it, I noticed
> that the RF connections were RCA jacks. The RF output from the
> transmitter which was rated 160 watts input to the final amplifier was a
> RCA jack. (The manual said it was about 100 watts output.) The only
> exception was the high power amp which had RCA for input and N for
> output. How things have changed.

When Collins came out with the RCA jacks early in my ham career, it made
a very heavy push that only a 50-ohm load be connected to it - lest the
jack self-destruct from a standing-wave high voltage!
----
73 de K2ASP - Phil Kane
Elecraft K2/100   s/n 5402

From a Clearing in the Silicon Forest
Beaverton (Washington County) Oregon
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[Phil Salas]

“When I was recently testing some Collins gear, built between 1960 and 1975 for a local woman who inherited it and wanted to sell it, I noticed that the RF connections were RCA jacks. The RF output from the transmitter which was rated 160 watts input to the final amplifier was a RCA jack. (The manual said it was about 100 watts output.) The only exception was the high power amp which had RCA for input and N for output. How things have changed.Cheers - Bill AE6JV”

My Heathkit SB-line also used RCA connectors for up to 100-watt interfaces.
Phil – AD5X
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[Jim Brown-10]

On 12/20/2013 12:49 PM, Phil & Debbie Salas wrote:
> My Heathkit SB-line also used RCA connectors for up to 100-watt interfaces.

Most RCA connectors around today are crap, and so is the cable they are
attached to, but that was not true back then.  The RCA connectors that
Switchcraft still mfrs for cable mounting are first rate, and typical of
what the designers of that gear had in mind. Switchcraft 3502 is the
male, 3503 is the female, and there are a couple of variations. They fit
RG58 quite well -- don't know if they fit anything larger.

73, Jim K9YC
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