Search found 69 matches

by abwdvm
Thu Jun 28, 2018 8:54 pm
Forum: FM Radio
Topic: Recommendations for Feeder Line, ECO-4, Shivley 6813
Replies: 2
Views: 227

Recommendations for Feeder Line, ECO-4, Shivley 6813

We are abandoning the 3 1/8 line on the old tower. I think our antenna is a Shivley 6813 4 bay? Nitrogen ran out months ago. We will see the condition of the antenna tomorrow. So, provided we can reuse (new o-rings, etc) the Shivley 6813, what line is recommended. We have found a spool of AVA-7 50($...
by abwdvm
Thu Jun 28, 2018 4:53 pm
Forum: FM Radio
Topic: ECO-4, am I reading this correctly?
Replies: 16
Views: 649

Re: ECO-4, am I reading this correctly?

3600 ERP
by abwdvm
Thu Jun 28, 2018 12:56 pm
Forum: FM Radio
Topic: ECO-4, am I reading this correctly?
Replies: 16
Views: 649

Re: ECO-4, am I reading this correctly?

So the hose clamp is not factory? Ours has one too....
by abwdvm
Thu Jun 28, 2018 12:38 pm
Forum: FM Radio
Topic: ECO-4, am I reading this correctly?
Replies: 16
Views: 649

Re: ECO-4, am I reading this correctly?

Once we get it moved and set, I will go through the tuning procedure in the manual
by abwdvm
Thu Jun 28, 2018 11:24 am
Forum: FM Radio
Topic: ECO-4, am I reading this correctly?
Replies: 16
Views: 649

ECO-4, am I reading this correctly?

ports.jpg
VSWR.jpg
VSWR of almost 2?
by abwdvm
Thu Jun 28, 2018 10:55 am
Forum: FM Radio
Topic: Transmission Lines, in the dark here
Replies: 15
Views: 654

Re: Transmission Lines, in the dark here

So the hood draws hot air out, does it have a fan attached?
by abwdvm
Wed Jun 27, 2018 5:17 pm
Forum: FM Radio
Topic: Mystery Socket in Radio Hut
Replies: 9
Views: 642

Re: Mystery Socket in Radio Hut

Ok... Cool... Anyone want to explain how/why these were installed in a Ruf Nek radio hut made in Aubry, TX and purchased used in Fort Worth?

Type F plugs are rated 16 amps...
by abwdvm
Wed Jun 27, 2018 3:48 pm
Forum: FM Radio
Topic: Transmission Lines, in the dark here
Replies: 15
Views: 654

Re: Transmission Lines, in the dark here

Bird 43 Thuline?

I think we can remove the 1 5/8 to 3 1/8 adapter after the sample ports tube, and simply install a 1 5/8 connector.

The 3 1/8 connector has the nitrogen port on it.
by abwdvm
Wed Jun 27, 2018 2:33 pm
Forum: FM Radio
Topic: Mystery Socket in Radio Hut
Replies: 9
Views: 642

Mystery Socket in Radio Hut

We found a used radio hut to move our newly acquired FM station into. Anyone recognize these mystery sockets?
mystery socket.jpg
by abwdvm
Wed Jun 27, 2018 2:27 pm
Forum: FM Radio
Topic: Transmission Lines, in the dark here
Replies: 15
Views: 654

Re: Transmission Lines, in the dark here

Anyone have an 3 1/8 to 1 5/8 adapter?
by abwdvm
Wed Jun 27, 2018 10:08 am
Forum: FM Radio
Topic: Transmission Lines, in the dark here
Replies: 15
Views: 654

Transmission Lines, in the dark here

We just purchased an FM station. We need to move the Transmitter and Antenna to another tower. The nitrogen bottle runs out in less than 30 days.... Should we replace the transmission line... If so with what? The STL line seems to be in good shape, we are planning on cutting it down and reusing it. ...
by abwdvm
Thu Nov 16, 2017 12:55 pm
Forum: STL Engineering
Topic: Women Hearing Distorsion on Station After STL realign
Replies: 20
Views: 2623

Re: Women Hearing Distorsion on Station After STL realign

I can hear some 60hrz when there is nothing playing, when I have it cranked in my car. At low to moderate levels in my car it sound perfect to my ears. Also sounds fine before the ORBAN 200, and before the NICOM STL Tx. I really think we need to have the crew come back out, climb the tower, and shoo...
by abwdvm
Thu Nov 16, 2017 11:58 am
Forum: STL Engineering
Topic: Women Hearing Distorsion on Station After STL realign
Replies: 20
Views: 2623

Women Hearing Distorsion on Station After STL realign

Recently Moved an STL link, and aligned STL antennas.
STL Reciever.jpg
Reads 26dBuV at the receiver.

STL Tx with Orban 2200
STL Tx.jpg
Would love any input...
by abwdvm
Tue Nov 14, 2017 10:24 am
Forum: STL Engineering
Topic: Aligned our STL this morning. Opinions?
Replies: 8
Views: 1337

Re: Aligned our STL this morning. Opinions?

10 mile hop
by abwdvm
Mon Nov 13, 2017 1:18 pm
Forum: STL Engineering
Topic: Aligned our STL this morning. Opinions?
Replies: 8
Views: 1337

Aligned our STL this morning. Opinions?

Aligned our STL this morning. Opinions?

Looks like the SIGNAL LED is not lighted.
STL.jpg