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Search: Posts Made By: bobsgarage
Forum: Help With Reception 14-Jun-2020, 1:18 PM
Replies: 35
Views: 688,814
Posted By bobsgarage
Hey Pistachio, Tim gives good advice here so I...

Hey Pistachio,
Tim gives good advice here so I wanted to ask you if you're on a strict budget, shipping cost and initial Hardware investment will mean nothing later when you are enjoying your...
Forum: Antennas 13-Jun-2020, 12:23 PM
Replies: 1
Views: 52,981
Posted By bobsgarage
Antenna spotting in Kenosha # 11

Here's one I saw a while having a barbecue at a friend's house. At first I thought they were black birds sitting on the back of the antenna. And now I'm wondering what are those gadgets on the...
Forum: Antennas 13-Jun-2020, 11:39 AM
Replies: 33
Views: 299,432
Posted By bobsgarage
Tripleo thank you. It's all very clear to me now....

Tripleo thank you. It's all very clear to me now. I will take it step-by-step pictures, and I will report back. I also want to thank my other friends sheer on TV Fool and the other forums. Sev,...
Forum: Antennas 13-Jun-2020, 12:42 AM
Replies: 33
Views: 299,432
Posted By bobsgarage
The "Less Loss" harness begins...

Tripelo,

Wow ! OK, I have to say I am pretty fired up!

My ADD (Antenna Distraction Disorder) is kicking in.

You have made it very clear for me- a novice. This will help others too I'm sure,...
Forum: Antennas 12-Jun-2020, 9:19 PM
Replies: 33
Views: 299,432
Posted By bobsgarage
Diminishing Returns and

I will be merry when I get the results I want ;)



So at least for UHF, I will have four ferrite cores on the coax? OK so far so good. Will I be limited to the length on the coax?

And what...
Forum: Antennas 12-Jun-2020, 6:04 PM
Replies: 33
Views: 299,432
Posted By bobsgarage
Ferrite cores

Tripelo, thanks.

I am happy that you have given me this info :)

My head is spinning but I will recover.




Here are the Ferrite cores ordered from Mouser:
Forum: Antennas 11-Jun-2020, 10:07 PM
Replies: 33
Views: 299,432
Posted By bobsgarage
Great information, thanks Tripleo

Tripleo, thank you for your detailed information. It's exactly what I need. Again as you see I have an eye for detail and I will report each and every change I make. Not just for my benefit or yours...
Forum: Antennas 10-Jun-2020, 8:26 PM
Replies: 33
Views: 299,432
Posted By bobsgarage
Thanks Tripelo !

Yes true, I had heard that adding a front section was about 1 dB added. I have no idea why others didn't report doing this.



Yes. The gain is there and I am happy with the mods...For now :)...
Forum: Antennas 10-Jun-2020, 8:06 PM
Replies: 33
Views: 299,432
Posted By bobsgarage
Long antennas in the wind

Yes. Mother nature will test them. I will upload a video file to this thread last night, we had some 40 MPH winds, some wobble was going on. The video is just OK.. Night shot:...
Forum: Antennas 8-Jun-2020, 5:14 PM
Replies: 33
Views: 299,432
Posted By bobsgarage
Super "163 XG"

I believe I've achieved my final modification on my Super XG. As you remember I had Taken 2 91XGs and added sections from each other to make a longer "135 XG". It worked well and I probably could...
Forum: Antennas 8-Jun-2020, 4:58 PM
Replies: 25
Views: 101,290
Posted By bobsgarage
Whoa! That is bad! All mine are drilled now...All...

Whoa! That is bad! All mine are drilled now...All 7 :)
Forum: Antennas 5-Jun-2020, 4:02 AM
Replies: 25
Views: 101,290
Posted By bobsgarage
Balun Photo ?

Glad to hear you finally got that done and that you had some improvement. Did you take a photo of the old balun?
Forum: Antennas 4-Jun-2020, 5:41 PM
Replies: 13
Views: 86,425
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: 86,425
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 1-Jun-2020, 9:37 PM
Replies: 33
Views: 299,432
Posted By bobsgarage
Thanks!

We'll call it a 135XG.



Thanks!




http://forum.tvfool.com/images/editor/attach.gif
Forum: Antennas 1-Jun-2020, 4:36 AM
Replies: 33
Views: 299,432
Posted By bobsgarage
91XG Spectrum analyzer results

Well, here's the Spectrum analyzer shots. In summary that signal strength went way up. Later this week when my two replacement 91xg scum in I will test them against this modified 91XG antenna
...
Forum: Antennas 1-Jun-2020, 4:34 AM
Replies: 33
Views: 299,432
Posted By bobsgarage
91 XG Modified

So I made lemonade out of lemons today. I ordered a couple of 91XGs through Amazon last week. I was excited when I got home from work, tore the Box open and found at the UPS handling system destroyed...
Forum: Antennas 27-May-2020, 5:29 AM
Replies: 39
Views: 101,887
Posted By bobsgarage
30-2476 MOD 5 Modeled Yagi VHF

All I did was put the reflector from another 30-2476 on this new Super Long Yagi. I had to remove the single reflector and put the 4 reflector on:
...
Forum: Antennas 27-May-2020, 4:33 AM
Replies: 39
Views: 101,887
Posted By bobsgarage
30-2476 MOD 4 Modeled Yagi

Test results were favorable.

http://forum.tvfool.com/attachment.php?attachmentid=3775&stc=1&d=1590555716
...
Forum: Antennas 26-May-2020, 7:32 PM
Replies: 13
Views: 86,425
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: 86,425
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: 86,425
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: 86,425
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: 86,425
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: 86,425
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...
Showing results 51 to 75 of 319

 

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