[Boatanchors] HQ-180 bandwidth

[Carl]

That method also gives lots of adjacent channel bleed over as well as rather 
severe distortion on the ones Ive listened to.

The USB or LSB method sounds mo betta.

Carl
KM1H


----- Original Message ----- 
From: "Gary Schafer" <garyschafer at comcast.net>
To: "'Carl'" <km1h at jeremy.mv.com>; "'Joe Roth-WC4R'" <wc4r at live.com>; 
<boatanchors at mailman.qth.net>
Sent: Saturday, September 26, 2009 11:03 AM
Subject: RE: [Boatanchors] HQ-180 bandwidth


> Yes, 3 Kc of recovered audio if the carrier is centered in the band pass
> with the selector switch in "both". But if you tune the carrier off to one
> side so that you are only copying one side band then you have 6 Kc 
> recovered
> audio bandwidth in the both position.
>
> If you are in USB or LSB position you can readily select upper or lower 
> side
> band (with carrier centered as you suggested) by changing the switch
> position but you only have 3 Kc of recovered audio band width as the 
> filter
> is only 3 Kc wide in these positions.
>
> 73
> Gary  K4FMX
>
>> -----Original Message-----
>> From: Carl [mailto:km1h at jeremy.mv.com]
>> Sent: Friday, September 25, 2009 9:08 PM
>> To: Gary Schafer; 'Joe Roth-WC4R'; boatanchors at mailman.qth.net
>> Subject: Re: [Boatanchors] HQ-180 bandwidth
>>
>> Now you have it right and we are back to Square One with that setup, 3 kc
>> of
>> audio recovery.
>>
>> Carl
>> KM1H
>>
>>
>> ----- Original Message -----
>> From: "Gary Schafer" <garyschafer at comcast.net>
>> To: "'Joe Roth-WC4R'" <wc4r at live.com>; <boatanchors at mailman.qth.net>
>> Sent: Friday, September 25, 2009 9:50 PM
>> Subject: Re: [Boatanchors] HQ-180 bandwidth
>>
>>
>> > Correction: placing the USB/LSB/both switch to both, doubles the
>> indicated
>> > bandwidth. 3 KC becomes 6 KC in both.
>> >
>> > 73
>> > Gary  K4FMX
>> >
>> >
>> >> -----Original Message-----
>> >> From: boatanchors-bounces at mailman.qth.net [mailto:boatanchors-
>> >> bounces at mailman.qth.net] On Behalf Of Gary Schafer
>> >> Sent: Friday, September 25, 2009 8:42 PM
>> >> To: 'Joe Roth-WC4R'; boatanchors at mailman.qth.net
>> >> Subject: Re: [Boatanchors] HQ-180 bandwidth
>> >>
>> >> When in the 3 kc bandwidth position it provides 3 kc if in SSB mode.
>> >> Switching to AM mode changes the bandwidth to 6 kc.
>> >> In other words the AM mode doubles the indicated bandwidth on the
>> switch.
>> >>
>> >> 73
>> >> Gary  K4FMX
>> >>
>> >> > -----Original Message-----
>> >> > From: boatanchors-bounces at mailman.qth.net [mailto:boatanchors-
>> >> > bounces at mailman.qth.net] On Behalf Of Joe Roth-WC4R
>> >> > Sent: Friday, September 25, 2009 8:13 AM
>> >> > To: boatanchors at mailman.qth.net
>> >> > Subject: [Boatanchors] HQ-180 bandwidth
>> >> >
>> >> > I have a Hammarlund HQ-180C, all stock. Is there a reasonable way to
>> >> > change
>> >> > the 3 KC receive bandwidth to 5 or 6 KC? I don't want a butcher job.
>> >> > Something clean & reversible.
>> >> > Joe, WC4R
>> >> >
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