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I was able to find another zetron pagecenter, however it seems the firmware has been deleted somehow. I can’t seem to find much online about the unit, so finding the firmware is going to be

Like a mid-level programming language like C vs. a higher level language, I believe you can only leverage the full power of the controller if you program it at its own level via direct commanding via

I use an old 486 ThinkPad for programming the controllers with Windows 98. I use the same computer for most of my older Motorola radios. It has a true RS232 port. I just use the software for CAT1000

This is fantastic news Allan. Thanks for continuing to provide the best repeater controllers ever made. Bob NO6B

<< http://www.leapsecond.com/tbolt-faq.htm >>

Ditto

Corporate fed dipole arrays don't exhibit the same pattern tilting effects as end fed collinear antennas do when fed with a frequency removed from its design center.? Pattern tilting in end fed

Any way to tell the manufacturer date from the serial number?

The DB228E model does cover 144-148 with low SWR... It was designed for the 140-150 MHz range.. however, it does not have the game as a DB228A model. This is due to the elements being cut longer but

I hope a few of the major brain in this group will be able to help me with this,a friend got this trimble thunderbolt E P/N 60333-50. without any cable or antenna , not even a power supply. Found a

A lot of good information on repeater builder site! The DB228 is just 2 of the DB224 phased to give you 3dB more gain. I have use a lot of them on ham repeaters. If you need the lower end, there are

Hi Kevin, Thanks for pointing out my flawed thinking assuming that on a transmitter set for say +_4.5 KHz on just voice, that a normal voice fed into this modulation limited transmitter would produce

It's a great antenna. It won't cover the entire range with low SWR.? The E on the end could be all the elements are in a line, or it could be the lower split perfect for Ham repeaters. Does it have a

Friends, I should have said DB228E. I picked up the subject antenna today due to a friend of mine decommissioning his repeater.? He did not have the manual though.? I was wondering if anyone in the

A while back I was surveying a narrowband analog simulcast system for a particular county in California. It was , if I recall,? the 6th generation of simulcast for this county and I would assume they

Not talking about intelligibility, but rather faithful reproduction of human speech. Yeah I remember listening to music in the 70s on cheap AM pocket radios with no high end response. For the longest

Brad is it complicated to update an DR1X repeater? is there a note somewhere that explain how to do it ourself at home via the internet i supposed? thanks for the help 73 mine is running great ,i will

The CAT programming is a DOS type so you need to use a slower machine like I do, like either a DOS 5.0 or Win98SE in the prompt mode. Maybe 2000 (NT). - Regards, Karl Shoemaker To contact me, please

Here is a link to the RSS manual. http://www.repeater-builder.com/motorola/quantar/pdfs/quantar-rss-manual.pdf 170 references to simulcast in this manual. Jim W7RY -- Thanks and 73, Jim W7RY

-- Thanks and 73, Jim W7RY