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Search: Posts Made By: bobsgarage
Forum: Antennas 21-Apr-2020, 4:48 AM
Replies: 1
Views: 23,025
Posted By bobsgarage
Antennas spotting in Kenosha #9

I've seen this one 22nd Avenue right behind the small equipment shop. It's obvious the curved reflector and design tells me that's a UHF but I've never seen one where the reflector was so curved and...
Forum: Antennas 21-Apr-2020, 4:32 AM
Replies: 39
Views: 96,639
Posted By bobsgarage
I've made it to the Forum circuit, asking for...

I've made it to the Forum circuit, asking for advice. Luckily for me a couple of guys offered help over here Tripleo and over on AVS Calaveras.

Both agreed that the length of the boom is the most...
Forum: Antennas 19-Apr-2020, 3:59 PM
Replies: 39
Views: 96,639
Posted By bobsgarage
Calaveras low loss combiner

Oh yes, I edited my post to give Calaveras credit. His instructions were if it was a solid polyethylene insulator to make it 10 inches exactly including the connectors. However I missed that...
Forum: Antennas 19-Apr-2020, 1:34 PM
Replies: 39
Views: 96,639
Posted By bobsgarage
Tripleo, You said no new ideas but you did...

Tripleo,

You said no new ideas but you did give me some ideas. Today is supposed to be a nice day today and I want to get some progress done.

I'm trying to gather enough knowledge and yours is...
Forum: Antennas 17-Apr-2020, 7:37 PM
Replies: 39
Views: 96,639
Posted By bobsgarage
Combatting losses

I haven't done much with the antennas as I am not actually doing things on a scientific plan. So I don't want to start drilling and moving things around till I have a better idea on where things...
Forum: Antennas 17-Apr-2020, 7:21 PM
Replies: 4
Views: 67,533
Posted By bobsgarage
Thanks Tripelo! So it is a TV antenna. Back...

Thanks Tripelo!

So it is a TV antenna. Back in the days before UHF? It's very cool looking antenna. Unfortunately, It looks as if it hasn't functioned in years.

I'm still seeking some...
Forum: Antennas 17-Apr-2020, 5:41 AM
Replies: 4
Views: 67,533
Posted By bobsgarage
Antenna spotting in Kenosha # 8

I've never seen this in Kenosha in fact it's the only one I've ever seen.

Is it even a TV antenna?

http://forum.tvfool.com/attachment.php?attachmentid=3685&stc=1&d=1587101942
Forum: Reception Devices 14-Apr-2020, 10:35 PM
Replies: 1
Views: 44,143
Posted By bobsgarage
Pre-Amp test. LNA-200 Vs. KT-200

LNA 200 VS. KT 200. Tested VHF today.

After talking myself out of it several times, simply because I already had a "Low Noise" Winegard LN-200 and a couple of RCA preamps. I felt I wanted to see...
Forum: Antennas 13-Apr-2020, 9:49 PM
Replies: 2
Views: 18,298
Posted By bobsgarage
Very cool!

Wow, maybe 70 years old... Thanks Tripelo. Interesting about the connector making it 600 Ohms. I wonder how may antenna made nowadays will last as long as these?
Forum: Antennas 12-Apr-2020, 9:59 PM
Replies: 2
Views: 18,298
Posted By bobsgarage
Antenna spotting in Kenosha # 7

Who can identify this antenna? It seems to be popular especially in southeast Wisconsin. To be honest I can't tell which direction is named. It looks like the same antenna on the top and the bottom...
Forum: Antennas 12-Apr-2020, 3:25 PM
Replies: 39
Views: 96,639
Posted By bobsgarage
2020-04-12 no changes better results. hmmmm...

Good Morning, the rain subsided overnight, although more is on the way, so climbing back up the ladder today to finish up and possibly some tweaks.

This mornings scan, big improvement!
...
Forum: Help With Reception 12-Apr-2020, 4:56 AM
Replies: 2
Views: 18,321
Posted By bobsgarage
Thank you for your report. This should help...

Thank you for your report. This should help others. I myself have two of those RCA preamp. I love mine because they are an excellent combiner as well as amp.

The only thing I would say is every...
Forum: Antennas 12-Apr-2020, 2:59 AM
Replies: 39
Views: 96,639
Posted By bobsgarage
Antenna pics

Some pictures.

http://forum.tvfool.com/attachment.php?attachmentid=3662&stc=1&d=1586659854


http://forum.tvfool.com/attachment.php?attachmentid=3661&stc=1&d=1586659741
...
Forum: Antennas 12-Apr-2020, 1:26 AM
Replies: 39
Views: 96,639
Posted By bobsgarage
Got the dual VHF moved up !

I almost didn't move the pair, rain was on the radar.
I definitely wanted to get it done though because I think we're going to have rain the next couple days.

I was only about halfway done when...
Forum: Antennas 11-Apr-2020, 3:47 PM
Replies: 39
Views: 96,639
Posted By bobsgarage
More baseline testing

Happy Saturday!
I'm ready to do some testing but not sure what to test today!

So first things first. First thing this morning I did another comparison after my small changes.

Blue trace is...
Forum: Antennas 11-Apr-2020, 1:54 AM
Replies: 39
Views: 96,639
Posted By bobsgarage
Todays Testing

Well, Thanks Tripelo for the suggestions, I figured some testing was in order to isolate the reception issue.

First, I decided to square up every thing, I readjusted the cross bar and readjusted...
Forum: Antennas 10-Apr-2020, 8:14 PM
Replies: 39
Views: 96,639
Posted By bobsgarage
Tripelo! Thanks for your comments. I did another...

Tripelo! Thanks for your comments. I did another rescan after "Straightening" the booms with a cable over the top.

Bear with me as I can't access the print screens from my scan but at least, but...
Forum: Antennas 10-Apr-2020, 5:08 AM
Replies: 39
Views: 96,639
Posted By bobsgarage
Red face Mediocre reception so far.

Here's the initial test. This is the RTL SDR Spectrum analyzer, with the new array pointing at Milwaukee and RF 8.

http://forum.tvfool.com/attachment.php?attachmentid=3646&stc=1&d=1586523217

...
Forum: Help With Reception 9-Apr-2020, 11:48 AM
Replies: 28
Views: 50,347
Posted By bobsgarage
So, let's get back to the subject. What have you...

So, let's get back to the subject. What have you done to improve your reception? We all want to help you but we want to see some progress!
Forum: Antennas 9-Apr-2020, 12:57 AM
Replies: 39
Views: 96,639
Posted By bobsgarage
Build details...

Tripelo, thank you for your Insight. You asked me about the bending strength of the inch and a half aluminized exhaust tubing that forms the crossbar between the two booms. Tubing is fairly stout.
...
Forum: Help With Reception 7-Apr-2020, 12:03 PM
Replies: 28
Views: 50,347
Posted By bobsgarage
Hi Mikmaze, I'm not much of a tech guy, I'm...

Hi Mikmaze,

I'm not much of a tech guy, I'm usually the one asking the questions but I have gained some experience over the years. In your case I would definitely try to go higher. I have several...
Forum: Antennas 6-Apr-2020, 7:36 PM
Replies: 39
Views: 96,639
Posted By bobsgarage
Extending a Stellar Labs 30-2476

Hi All,
Looking for some advice. This is a hobby project and it is my first attempt at modifying any antenna. If not successful, nothing ventured nothing gained...

A while back in 2011 a member...
Forum: Antennas 1-Apr-2020, 6:02 PM
Replies: 121
Views: 964,507
Posted By bobsgarage
Thanks!

Thanks for your follow up report, interesting results, indeed!
Forum: Help With Reception 29-Mar-2020, 9:54 PM
Replies: 8
Views: 30,961
Posted By bobsgarage
Rick what happened with your VHF?

Hi Rick just curious as to what happened with your new antenna setup?
Forum: Special Topics 28-Mar-2020, 2:23 PM
Replies: 15
Views: 107,925
Posted By bobsgarage
ADTech ! It's good to hear from you! I...

ADTech ! It's good to hear from you!

I know, that was kind of the feelings (no need to redesign antennas) before about antenna redesign for the repack. I just feel like there's opportunity there....
Showing results 101 to 125 of 318

 

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