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Search: Posts Made By: 329049
Forum: Antennas 14-Jun-2013, 6:35 PM
Replies: 52
Views: 117,989
Posted By 329049
here are some pic's of what I did. I use the...

here are some pic's of what I did.
I use the Wineguard adapters, CC7870 (75 ohm) and SD3700 (300~75)
Forum: Antennas 14-Jun-2013, 6:13 PM
Replies: 52
Views: 117,989
Posted By 329049
I made a quick 300 ohm lead in, I did use the 75...

I made a quick 300 ohm lead in, I did use the 75 ohm adapter that was on the antenna as well. Just using 300 ohm into a Diplexer (VHF/UHF) did not work very well.
Overall it gained about 4Db into...
Forum: Antennas 13-Jun-2013, 8:49 PM
Replies: 52
Views: 117,989
Posted By 329049
The combiner was on the HDB8X, with a 1/2 turn...

The combiner was on the HDB8X, with a 1/2 turn explains why there is more than 3.7Db loss.
I understand why they did it this way, converting to 75 ohms on each bay, so they could maintain the...
Forum: Antennas 11-Jun-2013, 6:17 PM
Replies: 52
Views: 117,989
Posted By 329049
I got curious on the combiner. Wow, super cheap,...

I got curious on the combiner. Wow, super cheap, only a 1/2 turn for each leg, good ones will have a min of 2 turns, up to 4 typically. Measured the loss, 4.9Dbm, ouch (before I took it apart)
Forum: Antennas 11-Jun-2013, 5:03 PM
Replies: 52
Views: 117,989
Posted By 329049
I also recently purchased this antenna (HDB8X). ...

I also recently purchased this antenna (HDB8X). I have used the 4228 for a few years and my situation is more difficult than most, 70 miles from the transmitters and in hilly terrain.
...
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