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OK - there is one way leaving it on longer might help. If the reference is unlocked because of xtal standard drift, leaving it on longer ( a day or so) might help - doubtful, but possible. Run ALL the

Nope, keeps trying to say there’s no issue. I’ve never had to escalate an issue with EBay about a purchase before but it looks like it’s coming to that. I’d actually like to keep the device

Does that mean the Ebay seller recognizes your problem with your purchase? Raymond

Yes, but if he's to be believed, that has been the case for a very long time. You have to understand the history here. This issue on the mailing lists didn't just come up; it has been going on for

On 12/7/20 3:12 AM, Tam Hanna wrote: > I just spent 10 minutes of my limited time digging through whiney messages. So, f### it, Ill invest another ten minutes to point the esteemed quorum at a general

Bruce, terrific thanks I will do that. Separately, the ebay seller keeps insisting that all I need to do is leave the device on for longer. I'm not convinced. Moreover, I'm worried that if there is a

I would take a look at the YTO loop first. Try to do the YTO adjustment. It involves checking and setting the YTO input from the M/N loop, and then adjusting the band pass. Read the manual, here are a

Peter, thanks for the advice. Unfortunately I don't have a counter. But I can look into getting one. Bruce, I've already done this for a number of values (you can see earlier in the chain). Or, do you

Have you tried the 8566a's "peaking" routine? Quoting huszaghmatt@...:

Hello I would think your LO problem is more due to needed YIG Calibration. That is in the manual and quite easy you need a counter that will do the full LO range. YIGs in the 8566 series does not go

Amirb, again, thanks for so much useful information! Unfortunately, the only other SA I have is a cheap one from RF-explorer. It goes up to 6GHz but isn't all that precise. But I'll see what I can

I have a HP 1977 Measurements/Computation catalog, a 576 page 8-1/2"x11" hard cover book. It is great for history and specifications of the older equipment, and in very good condition with some

Bocsanat Tam, nem vagy itten. A te Magyarol jo, nekem nem jo. 11 voltam amikor ide jotem es mostan 75 vagyog. Minden jot – Mihaly Mike B. Feher, N4FS 89 Arnold Blvd. Howell NJ 07731 848-245-9115

Szia Mihaly, Systron Donner 6153 or Systron Donner 615x. I bought one on Ebay, imported it to Slovakia and then - foolishly without making a copy - sent it to Artek. Thanks in advance if you have it.

Hi Tam – Which SD manual do you need? 73 – Mike Mike B. Feher, N4FS 89 Arnold Blvd. Howell NJ 07731 848-245-9115

noise floor is normal, the OP's problem is not the noise floor

What you are seeing is normal. As you sweep the whole range, the RBW increases to allow the new band to fit into the same linear width as the previous band. If each range is twice the previous, the

ok the fact that peaking has worked and reduced the loss substantially is a good sign. Peaking works on the FM coil of the YTF now based on your description the LO seems to be unlock all the time and

Hi, Lize wire is to compensate for skin effect, and the higher the frequency the shallower the "skin" so more wires equals more skin serface and less losses. Regarding a loop aerial/antenna for

Bonjour all: Pete is under severe stress, perhaps due to health problems. I kindly suggest the group to take this into consideration and cut Pete some slac. I humbly suggest that we end this thread.