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Search: Posts Made By: Pete Higgins
Forum: Antennas 3-Jan-2018, 8:24 PM
Replies: 121
Views: 565,342
Posted By Pete Higgins
Best information available. THANK YOU

tripelo,

Really interesting material. I always look forward to your posts. Hope the New Year finds you & yours in good health.
Forum: Antennas 13-Mar-2015, 3:46 PM
Replies: 121
Views: 565,342
Posted By Pete Higgins
Acme, I have a service manual that...

Acme,

I have a service manual that covers the Alliance C225 & C225A rotorís. As near as I can tell, the Radio Shack 15-1220 and RCA 10W707S circuitry is almost identical to these Alliance...
Forum: Antennas 29-Jan-2015, 4:46 AM
Replies: 121
Views: 565,342
Posted By Pete Higgins
Fascinating read Ėwell done!

tripelo,

Itís obvious that you put a lot of work into this professional caliber test report. I wish more people would take the time to pictorially depict their test setups like you do. Clear,...
Forum: Antennas 24-Jan-2015, 6:38 PM
Replies: 121
Views: 565,342
Posted By Pete Higgins
tripelo, Based on manufactures specs. &...

tripelo,

Based on manufactures specs. & cost my mind tells me that my $70.00 LNA-200 should perform better than my $23.00 RCAís but when I swap them back & forth I canít tell any difference...
Forum: Antennas 21-Sep-2014, 6:44 AM
Replies: 121
Views: 565,342
Posted By Pete Higgins
rabbit73 Hi rabbit Ėlong time again! ...

rabbit73

Hi rabbit Ėlong time again!

I put the image tags ( ) on the link to my picture in post 80, expecting them to cause the picture to display in the post.

What I ended up...
Forum: Antennas 20-Sep-2014, 5:58 PM
Replies: 121
Views: 565,342
Posted By Pete Higgins
tripelo, As always, very interesting...

tripelo,

As always, very interesting information. I am guessing that the channel I lost by moving my UHF antenna up to 40í is a phenomena similar to your channel 50 between 18í & 22í. The ~ 6...
Forum: Antennas 14-Sep-2014, 8:49 PM
Replies: 121
Views: 565,342
Posted By Pete Higgins
tripelo, Interesting exercise. ...

tripelo,

Interesting exercise.

I experienced a similar phenomenon when I moved my single HDB8-X from my aluminum HAM tower leg (@ ~19í AGL) to my TV tower mast (@ ~40í AGL). Most...
Forum: Antennas 9-Oct-2013, 2:46 AM
Replies: 121
Views: 565,342
Posted By Pete Higgins
GroundUrMast, No, I havenít. Wedging it...

GroundUrMast,

No, I havenít. Wedging it between the PVC mast and the plastic end cap was a convenience to keep me from climbing off the patio roof and running to the garage to get another...
Forum: Antennas 6-Oct-2013, 11:46 PM
Replies: 121
Views: 565,342
Posted By Pete Higgins
Satellite dish mount on tower leg

tripelo,

I finally modified the satellite dish mount that I removed from one of my rentals and attached it to the west facing leg of my aluminum tower. Attached my one remaining RCA 5-wire rotor...
Forum: Antennas 13-Sep-2013, 4:53 PM
Replies: 121
Views: 565,342
Posted By Pete Higgins
tripelo, I have never heard of the DAT-75...

tripelo,

I have never heard of the DAT-75 although if the 91XG held its own or performed better I guess it doesnít matter. I compared my new 91XG to my ~40 year old CM-4228 last year and with two...
Forum: Antennas 9-Sep-2013, 11:54 PM
Replies: 121
Views: 565,342
Posted By Pete Higgins
LNA-200 findings

tripelo,

Here is a link to my LNA-200 findings -with pictures.

http://forum.tvfool.com/showthread.php?t=13636
Forum: Antennas 7-Sep-2013, 2:54 PM
Replies: 121
Views: 565,342
Posted By Pete Higgins
Tripelo, For my first test, I...

Tripelo,


For my first test, I substituted the LNA-200ís power inserter in the garage for the RCAís and pulled two cables off the HDB8X RCA amp and connected them to the LNA-200 to minimize...
Forum: Antennas 7-Sep-2013, 5:42 AM
Replies: 121
Views: 565,342
Posted By Pete Higgins
tripelo, Two thought provoking posts in a...

tripelo,

Two thought provoking posts in a row. Today’s almost sounds like a conclusion. I’ve been looking forward to these every Friday.

I bought one of Winegards new LNA-200’s. It didn’t...
Forum: Antennas 24-Aug-2013, 7:53 PM
Replies: 121
Views: 565,342
Posted By Pete Higgins
tripelo, I liked your explanation of how...

tripelo,

I liked your explanation of how uniform daytime heating can produce smaller temperature gradients, limiting how far out a refracted signal travels. I know it happens because I...
Forum: Antennas 24-Aug-2013, 1:58 AM
Replies: 121
Views: 565,342
Posted By Pete Higgins
tripelo, WOW! I don’t even want to know how...

tripelo,

WOW! I don’t even want to know how long it took you to pull all this all together! I just hope you’re not going to bill me for it later?

This is great work and way beyond my ability...
Forum: Antennas 17-Aug-2013, 9:10 PM
Replies: 121
Views: 565,342
Posted By Pete Higgins
Antenna or Spatial Diversity

tripelo,

From the little bit of reading Iíve done on the subject, VHF is more prone to rapidly-changing multipath conditions than UHF although the new demodulators with long equalization spans...
Forum: Antennas 16-Aug-2013, 10:58 PM
Replies: 121
Views: 565,342
Posted By Pete Higgins
NTE/ECG U-106 Rotor

tripelo,

Iím not sure that the programmable ďdigital displayĒ 3-wire rotors employ two synchronous motors (one in the control and one on the mast).

From what Iíve been able to gather, the...
Forum: Antennas 16-Aug-2013, 6:23 PM
Replies: 121
Views: 565,342
Posted By Pete Higgins
tripelo, That’s a lot of separation between...

tripelo,

That’s a lot of separation between your long Yagi’s. Do you think that ~1.5 wavelengths of spatial diversity is mitigating your frequency selective fading? It would certainly help...
Forum: Antennas 9-Aug-2013, 7:33 PM
Replies: 121
Views: 565,342
Posted By Pete Higgins
tripelo, Another interesting read. ...

tripelo,

Another interesting read.


You may have listened to the Lone Ranger but I bet you don’t still have a Hopalong Cassidy wristwatch!

I was discouraged by ADTech’s findings with...
Forum: Antennas 3-Aug-2013, 5:08 PM
Replies: 121
Views: 565,342
Posted By Pete Higgins
tripelo, This is starting to remind me of a...

tripelo,

This is starting to remind me of a time when we listened to the radio every Saturday night for the next installment of Boston Blackie or the Shadow Ėgreat stuff.

Yesterday, Time...
Forum: Antennas 28-Jul-2013, 2:30 AM
Replies: 121
Views: 565,342
Posted By Pete Higgins
tripelo, Clear, concise & very interesting....

tripelo,

Clear, concise & very interesting. Your installments keep me anticipating and coming back for more. At my age, I hope you make some miraculous breakthroughs on aging but Iím not sure...
Forum: Antennas 18-Jul-2013, 7:42 PM
Replies: 121
Views: 565,342
Posted By Pete Higgins
Re: Long Yagi for VHF (Ch 8-11)

tripelo,

When do we get the rest of the story? Anxiously awaiting comparison results. How close were you able to come to 7 dB gain above that obtained with a pair of YA-1713 antennas with coaxial...
Forum: Antennas 5-Jul-2013, 6:41 PM
Replies: 121
Views: 565,342
Posted By Pete Higgins
NTE ECG U-106 Rotor vs Radio Shack 15-1220

tripelo,



No comparison. The Radio Shack 15-1220 is a 5-wire rotor that uses a balanced bridge for exact positioning. In the 50 years Iíve used it; it has never gone out of alignment. It also...
Forum: Antennas 5-Jul-2013, 3:35 AM
Replies: 121
Views: 565,342
Posted By Pete Higgins
tripelo, Thatís interesting, I assume you...

tripelo,

Thatís interesting, I assume you derived your measurement through empirical testing for channel 13? Winegard recommends optimum vertical stacking @ .94 wavelengths spacing and minimum @...
Forum: Antennas 4-Jul-2013, 2:01 AM
Replies: 121
Views: 565,342
Posted By Pete Higgins
tripelo, Do you remember how far apart you...

tripelo,

Do you remember how far apart you mounted the Winegard YA-1713ís in post 20?

I made a Home Depot run this afternoon & bought a 10Ĺí chain link fence top rail. Iíll try it in the...
Showing results 1 to 25 of 35

 

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