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Old 24-Jun-2017, 2:14 PM   #107
tripelo
Senior Member
 
Join Date: Jan 2010
Location: Dallas, TX
Posts: 123
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 DB8e
2. Channel Master 4228HD

Terk HDTVi antenna measured as reference (see previous posts).

Both Antennas Direct DB8e and Channel Master 4228HD are panel type antennas, also known as 8-bay antennas.

Main differences between the two panel antennas are feed system design and reflector backplane.

Images of antennas shown below:

Antennas Direct DB8e



Channel Master 4228HD (below)




Test Location:

Garland, TX, ~30 miles line-of-sight to DFW stations.

Test location TVfool info posted earlier:

Compare Preamplifiers - Test Procedure & Configuration

Test Equipment and Test Procedure:

For details of test equipment & procedure, see previous similar tests:

Compare Received Signal Strength of 5 UHF Antennas

Compare: Antennas Direct C5 & Televes Yagi B-III


Credit:

Thanks to forum members ADtech and re_nelson for providing the Antennas Direct DB8e antenna.


(To be continued)

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Attached Images
File Type: jpg DB8e.jpg (60.4 KB, 2420 views)
File Type: jpg 4228HD.jpg (45.4 KB, 2405 views)
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