[R-390] HP-8640B vs. HP-8654A/8655A/11710B

[Al Parker]

Hi agn,
	No, IIRC, you don't need to do any switching of the counter, it's 
cabled in at the rear.  I do have manuals for all 3 units (I think), so 
if you want any of that info I'll get a look.
73,

Al, W8UT
www.boatanchors.org
www.hammarlund.info

"There is nothing -- absolutely nothing -- half so much
worth doing as simply messing about in boats"
Ratty, to Mole

On 1/9/2011 6:08 PM, n4buq wrote:
> Hi Al,
>
> Yes, aligning a set like the R390A where one might have to switch
> between the converter and the straight output because the frequencies
> are +/- the 10mgc point might be a pain and I wondered about that.
>
> As for other questions, I assume the counter must be also switched back
> and forth between the two outputs so there's double the work when going
> above/below the 10mgc point as well.
>
> I do like the smaller footprint, though, as I have a fairly small work
> area.
>
> Thanks for the reply,
> Barry - N4BUQ
>
> On 1/9/2011 2:55 PM, Al Parker wrote:
>> Hi Barry,
>> I've had that setup for 4-5 yrs, set up & available in my "upstairs"
>> shack/shop. I'm afraid I haven't used it as much as I'd like, haven't
>> done much fixing in that spot lately. IIRC, the "tuning rate" is a bit
>> fast in some instances, but the lock-on feature is really neat. The
>> small footprint is a big asset. The overall freq. range is great, I
>> was worried about it's operation in the HF area, but it seems OK. Not
>> great for doing the alignment of a multi-band HF rcvr with lots of
>> back & forth freq. work, but probably easier at that than a URM-25 ;-)
>> If you can think of any specific questions I'll play with it a bit &
>> see what we learn.
>> 73,
>>
>> Al, W8UT
>> www.boatanchors.org
>> www.hammarlund.info
>>
>> "There is nothing -- absolutely nothing -- half so much
>> worth doing as simply messing about in boats"
>> Ratty, to Mole
>>
>> On 1/9/2011 3:20 PM, Barry wrote:
>>> Anyone on the list have any experience with an HP8654A/8655A/11710B
>>> combination? The reason I ask is I have an 8654A/8655A and am
>>> thinking of getting the 11710B to get the lower parts of the HF range
>>> and was wondering if I'd be better off with this or getting an 8640B.
>>> The combo will give me a greater low end (down to 10kc) and the
>>> footprint is a bit smaller, but wondering if there are any other
>>> (dis)advantages.
>>>
>>> Basically, I'm tired of lugging the 606A up to the bench... :)
>>>
>>> Thanks,
>>> Barry - N4BUQ
>>>