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eHam Forums / Digital / RE: I want to do digital, I am an idiot on computers
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on: August 31, 2012, 08:09:39 PM
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I didn't like all of the crap I had to do to use my computer. So I bought an NUE-PSK modem. Very small with a self contained display. Just buy the correct cable for you radio hitch up a 12V supply or use use batteries and hitch up a keyboard and your on the air. Review here before you buy.
Mark KC3JV
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eHam Forums / Station Building / RE: Looking for ideal CW/Digi/CAT interface device
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on: May 29, 2012, 05:04:24 PM
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Hi: After using the Tigertronics I opted for the NUE-PSK all in one modem and interface. It does PSK-31, RTTY and CW all you need is the special cable for ICOM and a KEYBOARD and your on the air. Best of all the device is portable and can run on 12V or 2 9V batteries. One thing get the USB memory add on it makes life much easyer.
Mark KC3JV
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eHam Forums / HomeBrew / RE: HT with Tiger Tail; Does 1/2 wave beat 1/4 wave
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on: April 22, 2012, 11:11:16 AM
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Hi I used to manufacture clip on Tiger tails that fit over an BNC with a clip. They were dual band and worked great. I sold hundreds at $4 each. The problem is the switch from BNC to SMA for most HT's. Anyway they do work and 1/2 wave is awkward because of it's length. They also improve both xmit and rcv with rubber ducks.
Go for it.
Mark KC3JV
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eHam Forums / DXing / RE: Was it me, or was there a lot of......
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on: November 03, 2011, 05:27:42 PM
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I appreciate your point of view. Some people are really good at CW and some will never be. I was one of those who despite a lot of practice was never very good at it. I became an extra class when the rules were changed to 13 WPM. I do not operate CW at all because I could never get good with a paddle and could only use a straight key. To those of you that are good at CW please enjoy it but don't tell people they are not a real HAM because they are not good at CW. I am now enjoying PSK31 and the ease with which I can communicate.
Mark KC3JV
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eHam Forums / Digital / RE: PSU PSK31 and ICOM 706MKiiG
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on: June 09, 2011, 10:10:06 AM
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Hi:
As soon as I get it and it's up and running I'll let you know how I like it. And yes I got the letters wrong.
I built my own magloop from copper water pipe and I'm going to give portable operation a try.
Mark KC3JV
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eHam Forums / Digital / PSU PSK31 and ICOM 706MKiiG
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on: June 07, 2011, 10:39:26 PM
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I'm new to PSK31 I bought a Signal Link USB but got tired of all the wires and having to plug in my laptop and the room it took. So I just ordered the PSU PSK31 modem, a mini keyboard and Type #1 cable. I am going to sell the Signal Link any thoughts on the $$ I should ask? Any thoughts on getting started? so I don't have a hassel.
Mark KC3JV
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eHam Forums / CW / RE: Copy CW in your head
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on: April 26, 2011, 06:22:28 PM
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FROM Mark KC3JV: CW is a skill that not everyone can become really proficient at. The military used to weed out people who just didn't have it. I gave up trying to get to 20 WPM and only achieved my Extra Class when 13 WPM was acceptable. My wife was a HS Steno and typing teacher. And said: anyone can type but really speedy typing is only accomplished by a select group of people. If you really don't have it go for PSK31 like I did.
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eHam Forums / Elmers / RE: What oil to put in an oil dummy load?
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on: September 07, 2010, 10:27:28 PM
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I worked in the power industry for 14 years and transformer oil is basically mineral oil. The mineral oil in transformers is now 100% synthetic but the drug store variety which is natural will work well.
Mark Rothstein, P.E. KC3JV
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eHam Forums / Elmers / RE: Hot Melt
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on: September 07, 2010, 10:23:54 PM
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I am a Chemical Engineer and will tell you that hot melt glue is Butyl Rubber of various melting points. It has a decent dielectric dissipation factor but the best low loss plastic is Styrene, Polyethylene, Teflon (TM).
Mark Rothstein, P.E. KC3JV
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eHam Forums / Antenna Restrictions / RE: No radials for my vertical antenna ! Any alternative solutions ?
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on: May 23, 2010, 08:36:12 PM
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Massimo:
Look up the Petlowany Antenna. It is a helical coil made to resonate on the band you want. You can make one for each band. Another alternative is to use a capacity hat ( four wires will do ) and a coil and tune them to resonate. The crossed wires in the form of a cross or "X" should be as large as you can make it. One end of the coil is connected to the cross or "X" , in the center, and the other serves as the connection for the coax braid. You will need one for each band. MFJ uses this technique on one of their verticals.
Mark KC3JV
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