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Search: Posts Made By: bobsgarage
Forum: Antennas 23-Jun-2020, 4:40 AM
Replies: 13
Views: 2,670
Posted By bobsgarage
More scans

. The first screenshot is a comparison of two different lengths quarter wave sections. I have found that you can tune the frequencies a little bit by changing the length.
...
Forum: Antennas 23-Jun-2020, 4:39 AM
Replies: 13
Views: 2,670
Posted By bobsgarage
Some screenshots of 91XG ganging 2020-06-21

Had some successes after making an alignment tool for my 91XGs :

https://i.ibb.co/jG9t61Q/20200621-142638.jpg (https://ibb.co/zbWdn0B)

https://i.ibb.co/NsnQmrW/20200621-142615.jpg...
Forum: Antennas 4-Jun-2020, 5:41 PM
Replies: 13
Views: 2,670
Posted By bobsgarage
Thanks Tripelo. Calaveras, a guy with some...

Thanks Tripelo.

Calaveras, a guy with some great technical knowledge like you guys here, told me his one quarter wave transformer does the job. He's moved it around from different arrays. He also...
Forum: Antennas 2-Jun-2020, 4:05 PM
Replies: 13
Views: 2,670
Posted By bobsgarage
Combining losses.

So, I ask the members here. If my 1/4 wave matching section isn't doing the trick, what should I do?

Do the 1/4 wave transformers have a very narrow band? Are they even practical?

I sure...
Forum: Antennas 26-May-2020, 7:32 PM
Replies: 13
Views: 2,670
Posted By bobsgarage
Adapting RG 11 connectors to RG 8

So back to my RG 8 stubs. I have been trimming back the shielding simply because I don't want it hanging out past the connector shell and I figure the inner barrel will make contact with it anyways....
Forum: Antennas 26-May-2020, 5:31 PM
Replies: 13
Views: 2,670
Posted By bobsgarage
T-connector

Hi Tripelo.
Well, I can try that, since this isn't working.

I figured the "T" connector would do all that is required:
...
Forum: Antennas 26-May-2020, 5:18 PM
Replies: 13
Views: 2,670
Posted By bobsgarage
Rabbit, Not sure what happened there. When I...

Rabbit,

Not sure what happened there. When I previewed my post, It looked great, all the pics were there, the links surrounded by: .


Then later when I looked, the images were gone. I have...
Forum: Antennas 26-May-2020, 1:54 AM
Replies: 13
Views: 2,670
Posted By bobsgarage
Screenshots?

I'm just wondering if my screenshots are showing in the post above? When I save the post they were all there
Forum: Antennas 25-May-2020, 7:00 PM
Replies: 13
Views: 2,670
Posted By bobsgarage
Two 91 XGs different results. Baffled!

So, I climb the 22 foot ladder. I install my new piece I'm so excited! I carefully measure the spacing and aim my 91XG's. There are no leaves on the trees yet. I check all my connections, climb down...
Forum: Antennas 25-May-2020, 6:26 PM
Replies: 13
Views: 2,670
Posted By bobsgarage
1/4 Wave Matching Sections and Combining Antennas

Well, so far it's not a success story. Far from it I'd say. I have been reading all along the best way to combine antennas is simply not using a combiner /splitter. From what I understand, you're...
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