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Search: Posts Made By: tripelo
Forum: Antennas 2-Jan-2018, 5:19 PM
Replies: 118
Views: 486,907
Posted By tripelo
A Tower & Antenna Evolution

The tower shown in previous posts has been in use since 1971. It is located in Russell County, KY. The earlier posts showed some antennas that have been resident on the tower. Hopefully, a series...
Forum: Antennas 24-Jun-2017, 2:16 PM
Replies: 118
Views: 486,907
Posted By tripelo
Compare: Antennas Direct DB8e & CM-4228HD

(continued from previous post)

Part 4. Compare 6 antennas (DB8, DB8e, 4228, 4228HD, 91xg, HDB91x)

Having earlier measured four other high-gain UHF antennas relative to the HDTVi antenna, this...
Forum: Antennas 24-Jun-2017, 2:15 PM
Replies: 118
Views: 486,907
Posted By tripelo
Compare: Antennas Direct DB8e & CM-4228HD

(continued from previous post)

Part 3. Data Collection & Analysis

The amount of data collected represents:

Number of UHF channels: 23
Measurements per channel
DB8e4 and 4228HD: 9
HDTVi:...
Forum: Antennas 24-Jun-2017, 2:14 PM
Replies: 118
Views: 486,907
Posted By tripelo
Compare: Antennas Direct DB8e & CM-4228HD

(Continued from previous post)

Part 2. Images of Three Antennas at Test site

The following are images of the two antennas at the test site (antenna center height=25 feet).

Image below shows...
Forum: Antennas 24-Jun-2017, 2:14 PM
Replies: 118
Views: 486,907
Posted By tripelo
Compare: Antennas Direct DB8e & CM-4228HD

Antenna tests conducted on June 15, 2017.

Objective: Compare performance of selected VHF antennas while receiving DFW TV channels.

Antennas:

1. Terk HDTVi (as reference)
2. Antennas Direct...
Forum: Antennas 6-Jul-2016, 4:33 PM
Replies: 118
Views: 486,907
Posted By tripelo
Part 5 (continued from previous post) ...

Part 5 (continued from previous post)

Specifications, Measurement, Analysis and Discussion

In an effort to reconcile the various gain and SWR numbers available for these two antennas, the...
Forum: Antennas 6-Jul-2016, 4:32 PM
Replies: 118
Views: 486,907
Posted By tripelo
Part 4 (continued from previous post) 4NEC2...

Part 4 (continued from previous post)

4NEC2 Analysis and Discussion

Antenna simulation software (4NEC2) could be useful in comparing antennas. Generally, software analysis is not a substitute...
Forum: Antennas 6-Jul-2016, 4:32 PM
Replies: 118
Views: 486,907
Posted By tripelo
Part 3 (continued from previous post) ...

Part 3 (continued from previous post)

Attached are Graphs depicting a summary of data analysis.

1. Average received power levels, (Image below):

An average 9 measurements of each channel (8...
Forum: Antennas 6-Jul-2016, 4:31 PM
Replies: 118
Views: 486,907
Posted By tripelo
Part 2. Images of the Two Antennas at Test site ...

Part 2. Images of the Two Antennas at Test site

The following are images of the two antennas at the test site (antenna center height=25 feet).

Image below shows Antennas Direct ClearStream 5...
Forum: Antennas 6-Jul-2016, 4:30 PM
Replies: 118
Views: 486,907
Posted By tripelo
Compare: Antennas Direct C5 & Televes Yagi B-III

A series of antenna tests conducted on July 1, 2016.

Objective: Compare performance of selected VHF antennas while receiving DFW TV channels

Antennas:

1. Antennas Direct C5
2. Televes Band...
Forum: TV Database Updates 1-Jun-2016, 1:33 AM
Replies: 4
Views: 8,929
Posted By tripelo
The Directional line is there now. Thanks

The Directional line is there now. Thanks
Forum: TV Database Updates 28-May-2016, 5:51 PM
Replies: 4
Views: 8,929
Posted By tripelo
WAGV Channel 51, Harlan KY

Thanks for adding WAGV to the database (dated 5-27).

However, a directional line to WAGV is not displayed in the Map WAGV Interactive TV Coverage Browser...
Forum: TV Database Updates 24-May-2016, 4:43 PM
Replies: 4
Views: 8,929
Posted By tripelo
WAGV Channel 51, Harlan KY

WAGV is currently operating and has been on-the-air continuously.

However, WAGV was removed from the database some months back.

Why?
Forum: Antennas 29-Apr-2016, 5:13 PM
Replies: 118
Views: 486,907
Posted By tripelo
The HDTVi Antenna as a Reference

(continued from previous post)

Part 4. The HDTVi Antenna as a Reference

Another way of comparing gain of the antennas is to directly compare received signal levels to that of the HDTVi antenna....
Forum: Antennas 29-Apr-2016, 5:12 PM
Replies: 118
Views: 486,907
Posted By tripelo
Received Signal Strength Data Analysis

(continued from previous post)

Part 3. Received Signal Strength Data Analysis, Five UHF Antennas

Attached are four Graphs depicting a summary of data analysis.

1. Average Relative Gain,...
Forum: Antennas 29-Apr-2016, 5:11 PM
Replies: 118
Views: 486,907
Posted By tripelo
Images of 5 Antennas at Test site

(continued from previous post)

Part 2. Images of 5 Antennas at Test site

The following are images of the five antennas at the test site (antenna center height=25 feet).

Image below shows...
Forum: Antennas 29-Apr-2016, 5:10 PM
Replies: 118
Views: 486,907
Posted By tripelo
Compare Received Signal Strength of 5 UHF Antennas

A series of antenna tests were conducted on April 14, 2016.

Objective: Compare performance of selected UHF antennas while receiving DFW TV channels

Antennas:

1. Antennas Direct 91xg...
Forum: TV Database Updates 9-Dec-2015, 3:46 PM
Replies: 4
Views: 8,929
Posted By tripelo
WAGV Currently not in Database?

Seems as if WAGV is not in the database.

WAGV doesn't show in 'Online TV Maps'.

A search using 'WAGV' currently yields no result:
...
Forum: Antennas 3-Sep-2015, 11:07 PM
Replies: 2
Views: 3,296
Posted By tripelo
Looking at some Belden and Commscope RG11 type...

Looking at some Belden and Commscope RG11 type specifications, your numbers indicate it is probably a version of RG11.

Don't know how long white jacket will last in the sun.

.
Forum: Antennas 22-Apr-2015, 3:32 PM
Replies: 22
Views: 14,762
Posted By tripelo
The Hawk Eye, Burlington newspaper confirms your...

The Hawk Eye, Burlington newspaper confirms your report:

http://www.thehawkeye.com/story/KPI-Concepts-042215

The image below contains some relevant excerpts from the newspaper article.

...
Forum: Antennas 14-Apr-2015, 12:58 PM
Replies: 22
Views: 14,762
Posted By tripelo
Any idea what will happen to the Antennacraft...

Any idea what will happen to the Antennacraft intellectual property, work in progress, etc?

Beginning to look like Antennacraft has gone the way of nearly all the TV antenna manufacturers of the...
Forum: Antennas 14-Apr-2015, 11:45 AM
Replies: 22
Views: 14,762
Posted By tripelo
Thanks ADTech. Guess we will have to wait...

Thanks ADTech.

Guess we will have to wait and see if KPI Concepts use the facilities for making antennas, or for manufacturing other products?
Forum: Antennas 11-Mar-2015, 2:03 AM
Replies: 22
Views: 14,762
Posted By tripelo
Couple of stories came out in The Hawkeye...

Couple of stories came out in The Hawkeye newspaper in Burlington soon after the bankruptcy declaration.

"Antennacraft Must Sell or Close"
(http://www.thehawkeye.com/story/AntennaCraft-021115)...
Forum: Antennas 30-Jan-2015, 10:00 PM
Replies: 118
Views: 486,907
Posted By tripelo
Compare Several Preamplifiers (cont.)

Referring to previous posts:

- Compare Several Preamplifiers OTA-DFW (http://forum.tvfool.com/showpost.php?p=48946&postcount=87)
- Compare Preamplifiers - Test Procedure & Configuration...
Forum: Antennas 30-Jan-2015, 9:13 PM
Replies: 118
Views: 486,907
Posted By tripelo
Pete, thank you for your comments. ...

Pete, thank you for your comments.



Your signal situation does seem particularly tough.

Guess most people have a more difficult TVfool chart than this one in DFW.

This DFW location is...
Showing results 1 to 25 of 123

 

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