Search found 59 matches

by Xenirad
Mon Jan 22, 2018 6:45 am
Forum: AM Radio
Topic: Delta DAM-1
Replies: 3
Views: 405

Re: Delta DAM-1

That would be great thanks.
by Xenirad
Sun Jan 21, 2018 3:25 pm
Forum: AM Radio
Topic: Delta DAM-1
Replies: 3
Views: 405

Delta DAM-1

Does anyone have a manual for the Delta DAM-1 antenna current monitor. Any help is greatly appreciated
by Xenirad
Tue Aug 02, 2016 6:35 am
Forum: FM Radio
Topic: Audio Issue
Replies: 11
Views: 1384

Re: Audio Issue

In addition to what Deep Thought said, the antenna system could also have serious problems. A de-tuned or improperly tuned antenna will add to the AM noise problems, water in the coax will most certainly de-tune a system. How does your VSWR look?
by Xenirad
Sun May 08, 2016 4:48 am
Forum: STL Engineering
Topic: Best Ubiquity Setup
Replies: 8
Views: 1803

Re: Best Ubiquity Setup

I have several stations running Comrex Bric-Links over Ubiquity networks. I have one customer who has 5 links in series across multiple hops to get from one town to another and is running 3 sets of Brics and 2 Barix as well as internet from one studio to another with great success. I also have a LPT...
by Xenirad
Sun Jan 31, 2016 3:17 am
Forum: FM Radio
Topic: Z-10 ventilating
Replies: 9
Views: 1378

Re: Z-10 ventilating

The right way to do this IMO is to have a sealed system where no outside air is brought in. In an air conditioner emergency then you can have emergency vent fans with louvers to bring in outside air. Since he has installed duct to vent out the heat just have him turn off the fan. The heat will find ...
by Xenirad
Fri Dec 25, 2015 8:18 am
Forum: FM Radio
Topic: Intermod issue?
Replies: 35
Views: 4165

Re: Intermod issue?

Hi, When I listen to the IM product I can hear the audio from both stations. I have a -50db coupler on the output of each transmitter - and Ive also checked the RF probe on the front of each TX, I understand these arent calibrated but they confirm theres no IMP product going to or coming from each ...
by Xenirad
Thu Dec 17, 2015 9:52 am
Forum: FM Radio
Topic: Intermod issue?
Replies: 35
Views: 4165

Re: Intermod issue?

It may not be as passive as you think. If there are any loose connections in the system...especially if they are dissimilar metals...that can make a nice mixer. Deep Thought is correct here. The problem could even be external of the combiner. There could be a loose connection on the tower with diss...
by Xenirad
Mon Dec 14, 2015 5:16 am
Forum: FM Radio
Topic: Intermod issue?
Replies: 35
Views: 4165

Re: Intermod issue?

A quarter wave shorting stub would solve this issue.
by Xenirad
Thu Dec 03, 2015 9:38 pm
Forum: FM Radio
Topic: Intermod issue?
Replies: 35
Views: 4165

Re: Intermod issue?

If you happen to have a dummy load that can handle the combiner output I would put the combiner into a dummy and then check to see if the product was present. If it is then you can take further steps to eliminate it. But first you need to determine that you are actually causing it. What type of tran...
by Xenirad
Mon Nov 23, 2015 9:50 pm
Forum: FM Radio
Topic: 1 bay temporary antenna
Replies: 19
Views: 2904

Re: 1 bay temporary antenna

Xenirad wrote:I know where there is an unused 4 bay on 102.3 that could be retuned to 103.5 if you are interested PM me.
By the way the antenna I am referring to is an ERI LPX series.
by Xenirad
Mon Nov 23, 2015 9:48 pm
Forum: STL Engineering
Topic: Receiver Preamp?
Replies: 8
Views: 1711

Re: Receiver Preamp?

We have a 25 mile path--two 6' dishes on transmit, 8' on receive--and using a Hamtronic preamp. Don't think they are made any longer. Never had a problem with our pair of 606C systems. (Feeds an FM and a booster for another FM). As I recall, I don't think the ARR preamps were that expensive, so wha...
by Xenirad
Mon Nov 23, 2015 9:40 pm
Forum: FM Radio
Topic: Flange connectors needed for 7/8 line
Replies: 9
Views: 1248

Re: Flange connectors needed for 7/8 line

Unfortunately I cannot answer this question as the station owner made the purchase. I will send him an email to ask.
by Xenirad
Mon Nov 23, 2015 9:39 pm
Forum: FM Radio
Topic: 1 bay temporary antenna
Replies: 19
Views: 2904

Re: 1 bay temporary antenna

I know where there is an unused 4 bay on 102.3 that could be retuned to 103.5 if you are interested PM me.
by Xenirad
Thu Nov 19, 2015 10:33 pm
Forum: AM Radio
Topic: What is the typical complex Z for a 1/4 wave vertical ?
Replies: 6
Views: 1367

Re: What is the typical complex Z for a 1/4 wave vertical ?

Deep Thought wrote:And the tower face width...and the guy wire insulator spacing...and anything else on the tower...and...
You are correct.
by Xenirad
Thu Nov 19, 2015 8:41 pm
Forum: STL Engineering
Topic: Comrex Bric Link II - STL
Replies: 16
Views: 3245

Re: Comrex Bric Link II - STL

The new OPUS algorithm is available with a firmware update and sounds much better at lower bitrates. Talking to Comrex they tell me there are two settings that are critical for less than perfect networks connections, turn on UDP reliability and turn off collision avoidance. They say the collision av...