Search found 819 matches

by Dale H. Cook
Wed Aug 01, 2018 7:15 am
Forum: FM Radio
Topic: Two soggy Heliax lines!
Replies: 7
Views: 240

Re: Two soggy Heliax lines!

You may well have to replace both lines. If you put power to a line that has water in it that can easily cause damage which is not correctable.
by Dale H. Cook
Thu Jul 26, 2018 8:48 am
Forum: FM Radio
Topic: Commscope Connectors and Andrew 7/8" Line
Replies: 22
Views: 690

Re: Commscope Connectors and Andrew 7/8" Line

We have ordered two NOS connectors from RF Parts - thanks for the help, guys.
by Dale H. Cook
Wed Jul 25, 2018 5:09 am
Forum: FM Radio
Topic: Commscope Connectors and Andrew 7/8" Line
Replies: 22
Views: 690

Re: Commscope Connectors and Andrew 7/8" Line

Nathaniel Steele wrote:
Mon Jul 23, 2018 2:24 pm
The new in box connector is L5TNF-PS, it is the no soldering type positive stop connector.
And...
Nathaniel Steele wrote:
Mon Jul 23, 2018 2:47 pm
I think the new in box one is for a newer style cable, with hollow center.
That appears to be so, as it is not in Andrew Catalog 38 (my copy is dated Mar-2001).
by Dale H. Cook
Wed Jul 18, 2018 11:57 am
Forum: FM Radio
Topic: Commscope Connectors and Andrew 7/8" Line
Replies: 22
Views: 690

Re: Commscope Connectors and Andrew 7/8" Line

Nathaniel Steele wrote:
Wed Jul 18, 2018 6:39 am
... didn't check the numbers though ...
I would like to know the numbers so I can check a vintage Andrew catalog to see if they are correct for that line.
by Dale H. Cook
Sat Jul 14, 2018 10:10 am
Forum: FM Radio
Topic: Remote Control Recommendcations
Replies: 13
Views: 492

Re: Remote Control Recommendcations

I still like Sine, but it is a DTMF system, not a Candy Crush system.
by Dale H. Cook
Wed Jul 11, 2018 1:46 pm
Forum: FM Radio
Topic: Commscope Connectors and Andrew 7/8" Line
Replies: 22
Views: 690

Re: Commscope Connectors and Andrew 7/8" Line

In that case does anyone have a pair of Andrew L5PNF-RC or -RPC connectors they can sell? I would not mind refitting used connectors if they are in good shape and if I can get a copy of the installation instructions. Only one will be outdoors.
by Dale H. Cook
Wed Jul 11, 2018 9:00 am
Forum: FM Radio
Topic: Commscope Connectors and Andrew 7/8" Line
Replies: 22
Views: 690

Commscope Connectors and Andrew 7/8" Line

Does anyone know if the current Commscope connectors for 7/8" foam line will fit older (say, 20-30 years) Andrew line?
by Dale H. Cook
Fri Jul 06, 2018 8:21 pm
Forum: Ask the Engineers
Topic: tower structural analysis
Replies: 10
Views: 251

Re: tower structural analysis

Not having a normal uncomplicated life is a major reason why I never married. Having a cell phone (or in days of yore, a pager) go off a 3 AM is apparently a romantic no-no.
by Dale H. Cook
Fri Jul 06, 2018 11:31 am
Forum: Ask the Engineers
Topic: tower structural analysis
Replies: 10
Views: 251

Re: tower structural analysis

Fossil, you should know better than that - Mark's answers to many questions here show that he's an old fart like you and me. :-)
by Dale H. Cook
Wed Jul 04, 2018 6:38 am
Forum: Ask the Engineers
Topic: FCC Applications ...
Replies: 10
Views: 209

Re: FCC Applications ...

Are you are applying for an already allocated frequency, or are you hoping to get a frequency allocated in your area? In either case you need a consulting engineer. He has the experience, qualifications (almost always a PE), and tools (expensive and specialized software) to do those things. You also...
by Dale H. Cook
Sat Jun 30, 2018 8:14 am
Forum: FM Radio
Topic: Ecreso vs. BW for Translator
Replies: 11
Views: 435

Ecreso vs. BW for Translator

An AM client (5 kW day, 10 W night) has their CP for a translator. They want to sell the station, so they are trying to keep costs to a reasonable level. Since a big chunk of their revenue is from high school sports we are pushing ahead with getting the translator on before football season, so they ...
by Dale H. Cook
Sun Jun 17, 2018 8:28 am
Forum: General Computers
Topic: Avocent HMIQSHDI restore factory defaults?
Replies: 1
Views: 97

Re: Avocent HMIQSHDI restore factory defaults?

Is it connected to a switch? If so I would connect a laptop set for DHCP to that switch (so it will pull an address in the same subnet), see what subnet it pulls, and run a network discovery utility on that subnet to see what is there. If the target system is not stealthed it should show on the netw...
by Dale H. Cook
Wed Jun 13, 2018 8:07 am
Forum: AM Radio
Topic: BE AM 1A Power meter not working in FWD
Replies: 16
Views: 634

Re: BE AM 1A Power meter not working in FWD

If you can't get the manual from BE let me know. I have a copy of revision C the 500A/1A manual that I downloaded from their site some years ago, dated 29-Aug-2011.
by Dale H. Cook
Thu Jun 07, 2018 11:12 am
Forum: Ask the Engineers
Topic: Laser projector and taking photo of displayed picture
Replies: 4
Views: 133

Re: Laser projector and taking photo of displayed picture

To add to Jeff's reply, the exposure should be the same as an integer multiple of the inverse of the frame rate. For example, a typical computer monitor refresh rate is 60 Hz. An exposure of 1/60 would probably work but an exposure of 1/30 might be a little better if the shutter speed and the refres...
by Dale H. Cook
Thu Jun 07, 2018 8:52 am
Forum: Ask the Engineers
Topic: Laser projector and taking photo of displayed picture
Replies: 4
Views: 133

Re: Laser projector and taking photo of displayed picture

This is more or less the same problem as taking a photo of a TV or computer monitor image. Your camera is not synchronized with the projector and the image is distorted. Why do you need a photo, and how will it be used? That may determine your alternatives.