[Boatanchors] National one ninety receiver

[Bob Macklin]

I still like my 190 but it is hard to tune on SSB because the morons today 
don't talk long enough to allow you to tune them in!

Bob Macklin
K5MYJ
Seattle, Wa.
"Real Radios Glow In The Dark"
----- Original Message ----- 
From: "Carl" <km1h at jeremy.mv.com>
To: "Singley, Rodger" <rbsingl at ilstu.edu>; <boatanchors at mailman.qth.net>
Sent: Tuesday, September 28, 2010 9:57 AM
Subject: Re: [Boatanchors] National one ninety receiver


> The only 270 rationale Im aware of was a quick and dirty response to the
> Drake 2A/2B. None are on my want list. I suspect they were gun shy about a
> ham band only set after the 303.
>
> The 190 is an upgrade of the 109 which isnt a bad radio. I havent touched 
> a
> 190 for 30-40 years but was an OK SWL mid level ham set.
>
> Carl
> KM1H
>
>
>
>
>>
>> Mike,
>>
>> In my opinion, the tuning dial mechanism is much nicer on the NC-270 and
>> it has a notch filter.  Also, you don't have to use the calibrator to set
>> the band spread dial when changing bands like you do with the NC-190. 
>> But
>> SSB and CW performance is much smoother on the NC-190.
>>
>> It just seems like a strange design choice given that the NC-270 with its
>> ham orientation has a less desirable detector/agc setup.  The NC-270 was
>> introduced in 1960, a year earlier than the NC-190 but the much earlier
>> NC-300/303 receivers were setup with operable AGC in the non-AM modes.
>> Carl KM1H might chime in later with some rationale why National made 
>> these
>> design choices since he was there during this era.
>>
>> Rodger WQ9E
>>
>>
>> -----Original Message-----
>> From: boatanchors-bounces at mailman.qth.net on behalf of mikea
>> Sent: Tue 9/28/2010 10:17 AM
>> To: boatanchor network
>> Subject: Re: [Boatanchors] National one ninety receiver
>>
>> On Mon, Sep 27, 2010 at 08:04:52PM -0500, Singley, Rodger wrote:
>>> Glen,
>>>
>>> The odd part to me is the general coverage NC-190 has a separate
>>> product detector and allows AGC usage on all modes. The "better"
>>> NC-270 uses the final IF amp as a product detector for SSB/CW and
>>> disables AGC on these modes. I acquired my NC-190 first and I was
>>> surprised when I started using the NC-270 on SSB with a CE-20A
>>> multi-mode phasing exciter.
>>
>> Surprised how, OM? Which RX did you prefer, and why?
>>
>> -- 
>> Mike Andrews, W5EGO
>> mikea at mikea.ath.cx
>> Tired old sysadmin
>> ______________________________________________________________
>> Boatanchors mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/boatanchors
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Boatanchors at mailman.qth.net
>>
>> List Administrator: Duane Fischer, W8DBF
>> ** For Assistance: dfischer at usol.com **
>>
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>>
>>
>> ______________________________________________________________
>> Boatanchors mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/boatanchors
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Boatanchors at mailman.qth.net
>>
>> List Administrator: Duane Fischer, W8DBF
>> ** For Assistance: dfischer at usol.com **
>>
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>
> ______________________________________________________________
> Boatanchors mailing list
> Home: http://mailman.qth.net/mailman/listinfo/boatanchors
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Boatanchors at mailman.qth.net
>
> List Administrator: Duane Fischer, W8DBF
> ** For Assistance: dfischer at usol.com **
>
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>