http://remofilters.com/ for engilsh version of russian site.
On Tue, Jul 21, 2015 at 4:04 PM, Igor Sokolov <ua9cdc@gmail.com> wrote:
> Charly,
> I do not know about 2K-FA but I used SO2R with 1K-FA, pair of K3 and no
> filters. You can actually test and measure isolation between 2 radio ports
> on the amp with SDR and signal source prior to applying high power.
> There is one company in Russia who makes 6 band BPF in opne box but the
> site is in Russian
> http://remo-zavod.ru/katalog/katalog-produkcii/hamradio/polosovye-filtry/monoblok-bpf-block-luxury
>
> 73, Igor UA9CDC
>
> ----- Original Message ----- From: "Charles Harpole" <hs0zcw@gmail.com>
> To: "Mike Smith VE9AA" <ve9aa@nbnet.nb.ca>; "CQ-Contest Reflector" <
> cq-contest@contesting.com>; "Charles Harpole" <k4vud@hotmail.com>
> Sent: Tuesday, July 21, 2015 5:09 PM
> Subject: Re: [CQ-Contest] seeking 9band bandpass filter unit
>
>
> The full answer for WHY WARC desired for BP filters.
>>
>> I have one SPE Expert 2K-FA amplifier which provides for six antenna
>> outputs and two inputs, all switchable automatically as driven by my TWO
>> transceivers.
>>
>> I would like to do general operating and DXing where I can be, for
>> example,
>> on 20meters with Yaesu and with the touch of a mic or key, immediately on
>> 17meters with K3--both working via the amplifier which has followed from
>> Yaesu to K3. Then, go back to Yaesu which is now moved to 12 meters and
>> amplifier gets Yaesu RF and switches away from K3.
>>
>> The K3 is then put on 80 meters and when the DX stands by there, a dit
>> puts
>> the K3 ON and changes the Yaesu to no connection at that time (but waiting
>> on 12m).
>>
>> All these choices lead me to want BandPass filtering on both radios, with
>> automatic band switching, and with WARC fully integrated into the system.
>>
>> This would give me seamless selection of 6 contest bands and three WARC
>> bands.
>> You could tell me to just use the 160 meter switch position of the 6 band
>> box to feed into a separate WARC box, but my Amplifier responds to band
>> selection to feed the 6 antenna sockets and that is not an easy nor
>> acceptable solution.
>>
>> That is the full story.
>>
>> However, the SPE Expert 2K-FA automatic switch between Radio 1 and Radio 2
>> COULD possibly have enough isolation to not need a BP filter. I have
>> asked
>> that question of the factory. If the isolation is enough, I do not need
>> BP
>> filters.
>>
>> If you can understand my convoluted answer, let me know and i will send to
>> you another Ph.D. degree. Tnx 73, Charly
>>
>> On Tue, Jul 21, 2015 at 5:53 AM, Mike Smith VE9AA <ve9aa@nbnet.nb.ca>
>> wrote:
>>
>> Charly,
>>>
>>>
>>>
>>> Since bandpass filters are primarily used in SO2R contesting operation
>>> (or
>>> field day ie: M/M, M/2 type of operations), I have to ask..why would you
>>> need bandpass filters for the WARC bands !? (no contesting on the WARCs)
>>>
>>> Also, since nothing is a harmonic of 6m, nor is any HF band close to 6m
>>> as
>>> a
>>> harmonic,(except far far away) same query goes for SIX.
>>>
>>>
>>>
>>> I am not trying to be sarcastic...it's a serious question.
>>>
>>>
>>>
>>> I too would like to dabble my toe in the SO2R waters, but not at $2000+
>>> to
>>> get it here to Canada.
>>>
>>>
>>>
>>> Mike VE9AA
>>>
>>> Mike, Coreen & Corey
>>>
>>> Keswick Ridge, NB
>>>
>>>
>>>
>>> _______________________________________________
>>> CQ-Contest mailing list
>>> CQ-Contest@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/cq-contest
>>>
>>>
>>
>>
>> --
>> Charly, HS0ZCW
>> _______________________________________________
>> CQ-Contest mailing list
>> CQ-Contest@contesting.com
>> http://lists.contesting.com/mailman/listinfo/cq-contest
>>
>
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