Forum: Antennas
13-Jun-2020, 12:23 PM
|
|
Replies: 1
Views: 49,031
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: 292,618
|
|
Forum: Antennas
13-Jun-2020, 12:42 AM
|
|
Replies: 33
Views: 292,618
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: 292,618
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: 292,618
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: 292,618
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: 292,618
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: 292,618
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: 292,618
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: 97,126
|
|
Forum: Antennas
5-Jun-2020, 4:02 AM
|
|
Replies: 25
Views: 97,126
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: 82,415
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: 82,415
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: 292,618
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: 292,618
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: 292,618
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: 96,639
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: 96,639
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: 82,415
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: 82,415
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: 82,415
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: 82,415
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: 82,415
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: 82,415
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...
|
|
Forum: Help With Reception
24-May-2020, 5:47 PM
|
|
Replies: 6
Views: 19,499
|
