[TowerTalk] More Radials = Higher SWR???

[Lux, Jim]

On 2/8/23 2:35 PM, K8LX wrote:
> YES, absolutely. That mode plus the stub length calculations are 
> extremely useful. The beauty of these self contained analyzers is how 
> easy they are to use in the field. My only wish, though minor, would 
> be the ability to store multiple OSL calibrations like one can do with 
> the professional (expensive) VNA's (Anritsu, etc.).
>

The NanoVNA and the many similar units stores 4 or more calibration sets.




> -Steve K8LX
>
> On 2/6/2023 9:09 PM, Alex Filippov wrote:
>> RigExpert has *All Parameters Mode* when it will display the R, X and 
>> the
>> Resonant Frequency. This is the most useful screen for tuning an 
>> antenna.
>> You can move up and down the frequency to see R and X at different 
>> points.
>> The same screen shows SWR calculated for the impedance set in the 
>> settings
>> of the Rig Expert. You can see it to 25, 50, 75 and 100 Ohm
>>
>> Alex, WK1O
>>
>>
>>
>> On Mon, Feb 6, 2023 at 8:55 PM<john at kk9a.com>  wrote:
>>
>>> I have never used a RigExpert analyzer but according to the manual 
>>> (page 8)
>>> there is a data screen that will display the various parameters. If 
>>> you're
>>> trying to attach only an SWR chart, it's pointless.  Does the Hy-Gain
>>> vertical come with any type of matching device or does the antenna just
>>> rely
>>> on high ground losses for low SWR?
>>>
>>> John KK9A
>>>
>>>
>>> Test 2019 K7OGW wrote:
>>>
>>> Hi Al and all,
>>> I recently bought a RigExpert AA-230 ZOOM and that's what I measured 
>>> the
>>> SWR
>>> with.  I haven't had a chance to figure out, or use the other 
>>> features yet
>>> but it's high on my To-Do list. Here's a copy of the attachment that 
>>> didn't
>>> make it on TowerTalk. I'm not sure if I can send attachments via 
>>> TowerTalk.
>>> Thank you for your replies.  I really appreciate it!
>>> Dennis - K7OGW
>>>
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