Search found 63 matches

by abwdvm
Mon Jul 02, 2018 4:09 pm
Forum: FM Radio
Topic: The eco-4 shivley antenna, with Mystery Ports
Replies: 13
Views: 391

Re: The eco-4 shivley antenna, with Mystery Ports

Thanks, we have an FCC attorney, and that part i don't have to worry about. We might interested in someone who knows the ECO hardware.
by abwdvm
Mon Jul 02, 2018 9:50 am
Forum: FM Radio
Topic: ECO-4, Tuning Information
Replies: 1
Views: 95

ECO-4, Tuning Information

Located the metal strip with holes in it... however I dont see the ones labeled for our exact frequency (That's a little joke) adj.jpg Also found this little sticker, I wonder if it was set to the previously, or at the factory. (This was not the freq we were on.) 95.5.jpg We checked the electrical b...
by abwdvm
Sun Jul 01, 2018 2:58 pm
Forum: FM Radio
Topic: The eco-4 shivley antenna, with Mystery Ports
Replies: 13
Views: 391

Re: The eco-4 shivley antenna, with Mystery Ports

Thanks you all for all the information. It has really been a great help.

Passing the unvarnished truth to the boss.
by abwdvm
Sat Jun 30, 2018 9:16 am
Forum: FM Radio
Topic: The eco-4 shivley antenna, with Mystery Ports
Replies: 13
Views: 391

The eco-4 shivley antenna, with Mystery Ports

We got it down, it's a two bay
wound.jpg
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Mystery port... Spooky
20180630_100126.jpg
antL.jpg
any_pop.jpg
any_black.jpg
by abwdvm
Fri Jun 29, 2018 1:07 pm
Forum: FM Radio
Topic: Inside the ECO-4
Replies: 6
Views: 173

Re: Inside the ECO-4

I assure you I have not worked on one of these. I understand how important those fingers are now. Once I get some time next week I will take a closer look. We also found what looks to be a spare tube.

IPA? Transformer set to 240 and +10?
20180629_130612.jpg
by abwdvm
Fri Jun 29, 2018 12:20 pm
Forum: FM Radio
Topic: Inside the ECO-4
Replies: 6
Views: 173

Inside the ECO-4

Got the ECO-4 out trailer-ed home and in the shop.
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by abwdvm
Fri Jun 29, 2018 10:34 am
Forum: FM Radio
Topic: Additional Info on ECO-4, new feeder, Shivley 6813
Replies: 4
Views: 106

Re: Additional Info on ECO-4, new feeder, Shivley 6813

I'll try to find that out asap
by abwdvm
Fri Jun 29, 2018 8:47 am
Forum: FM Radio
Topic: Additional Info on ECO-4, new feeder, Shivley 6813
Replies: 4
Views: 106

Re: Additional Info on ECO-4, new feeder, Shivley 6813

All images are of the old site, 3 1/8 feeder. Heading out right now to remove the transmitter.
by abwdvm
Fri Jun 29, 2018 8:33 am
Forum: FM Radio
Topic: Additional Info on ECO-4, new feeder, Shivley 6813
Replies: 4
Views: 106

Additional Info on ECO-4, new feeder, Shivley 6813

1. Licensed ERP of 3600? Effective Radiated Power 3600 Watts Polarization: Horizontal Vertical Effective Radiated Power (ERP): 3.6 3.6 kW ERP 2. How many antenna bays? Can you tell who made them? (shot a picture) 4 bays, 2 section, Shivley 6813 https://www.shively.com/product/6813/ 3. How many feet ...
by abwdvm
Thu Jun 28, 2018 8:54 pm
Forum: FM Radio
Topic: Recommendations for Feeder Line, ECO-4, Shivley 6813
Replies: 2
Views: 97

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: 302

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: 302

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: 302

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: 302

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: 325

Re: Transmission Lines, in the dark here

So the hood draws hot air out, does it have a fan attached?