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#1
February 1st 04, 12:39 AM
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Tacile Feedback?
I'm in the midst of working on my transponder install. I've got three
antenna cables running to the radio/transponder panel. Two are for the Narco Nav/Comm and attach via BNC, the other used to be soldered to the rack for the old transponder but will now get a BNC fitting as well. Accidentally swapping the Nav/Comm antenna connectors made little difference to the radio performance, but now the transponder cable will be added to the mix and attaching the wrong cable to a device would be bad. I'll add the appropriate labels to the ends of the cables, but most of the time, I end up attaching the BNCs by feel. I was wondering if anyone had a good suggestion for changing the tactile characteristics of the transponder antenna cable. In other words, when I reach back and grab the end, I'm going to want to instantly know it's the transponder cable without being able to read the label. Any suggestions? Ron Wanttaja 
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#2
February 1st 04, 12:56 AM
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On Sun, 01 Feb 2004 00:39:58 GMT, Ron Wanttaja
wrote: In other words, when I reach back and grab the end, I'm going to want to instantly know it's the transponder cable without being able to read the label. Any suggestions? How about putting a plastic cable tie on the coaxial cable just behind the connector? In fact, you could put two cable ties on the NAV antenna connector so you could discern the difference between it and the COM connector. Rob- ------------------------------------------------------------------ Robert Cherney e-mail: rcherney(at)comcast(dot)net
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#3
February 1st 04, 01:19 AM
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In article ,
Rob Cherney wrote: On Sun, 01 Feb 2004 00:39:58 GMT, Ron Wanttaja wrote: In other words, when I reach back and grab the end, I'm going to want to instantly know it's the transponder cable without being able to read the label. Any suggestions? How about putting a plastic cable tie on the coaxial cable just behind the connector? In fact, you could put two cable ties on the NAV antenna connector so you could discern the difference between it and the COM connector. Rob- ------------------------------------------------------------------ Robert Cherney e-mail: rcherney(at)comcast(dot)net You could also file a flat area on the TXP cable. BTW, it DOES make a difference if you hook up the comm antenna to the nav and vise-versa. One is horizontilly polarized while the other is vertically polarized. Both receiver sensitivity and xmit capability cna be severely compromised.
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#4
February 1st 04, 01:23 AM
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"Ron Wanttaja" wrote in message
... I'm in the midst of working on my transponder install. I've got three antenna cables running to the radio/transponder panel. Two are for the Narco Nav/Comm and attach via BNC, the other used to be soldered to the rack for the old transponder but will now get a BNC fitting as well. Accidentally swapping the Nav/Comm antenna connectors made little difference to the radio performance, but now the transponder cable will be added to the mix and attaching the wrong cable to a device would be bad. I'll add the appropriate labels to the ends of the cables, but most of the time, I end up attaching the BNCs by feel. I was wondering if anyone had a good suggestion for changing the tactile characteristics of the transponder antenna cable. In other words, when I reach back and grab the end, I'm going to want to instantly know it's the transponder cable without being able to read the label. Any suggestions? Ron Wanttaja ========== Ron, Unless you have diabetes or have heavily calloused fingertips, you will find that the tips are quite sensitive to texture - look at the dots used for Braille alphabet. I would use simple heat shrink tubing. You could use a larger size that will slip over the BNC since you don't care about how tightly it fits when you shrink it. You are just interested in applying one, two, or three pieces to establish a code that you can read w/fingertips. Whatever you do, though, make sure the edge isn't all that sharp. I was working by feel on someone's plane and cut my hand on the sharp end of a nylon ty-wrap. Let us know what you decide and how it works out. Michael Pilla
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#5
February 1st 04, 01:26 AM
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On Sun, 01 Feb 2004 00:39:58 GMT, Ron Wanttaja
wrote: I'm in the midst of working on my transponder install. I've got three antenna cables running to the radio/transponder panel. Two are for the Narco Nav/Comm and attach via BNC, the other used to be soldered to the rack for the old transponder but will now get a BNC fitting as well. Accidentally swapping the Nav/Comm antenna connectors made little difference to the radio performance, but now the transponder cable will be added to the mix and attaching the wrong cable to a device would be bad. I'll add the appropriate labels to the ends of the cables, but most of the time, I end up attaching the BNCs by feel. I was wondering if anyone had a good suggestion for changing the tactile characteristics of the transponder antenna cable. In other words, when I reach back and grab the end, I'm going to want to instantly know it's the transponder cable without being able to read the label. Any suggestions? Ron Wanttaja Suggest 4-inch tie-wraps. If you have multiple cables in the same area, use a different number of tie-wraps for each cable and write it down somewhere. For more then 4 or so adjacent cables, you can use spacing as an added factor. I do this on computer cabling patch panels sometimes, works for me. Mike Mike Patterson Please remove the spamtrap to email me.
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#6
February 1st 04, 01:28 AM
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Ron,
Just use a bit of Heat shrink on the BNC ring - You'll feel it straight away. PS . the NAV and COM have different polarisation, so swapping them could cause you no end of probs, use a cable tie on the top one, it'll give you something better to grip. Rgds, Brett "Ron Wanttaja" wrote in message ... I'm in the midst of working on my transponder install. I've got three antenna cables running to the radio/transponder panel. Two are for the Narco Nav/Comm and attach via BNC, the other used to be soldered to the rack for the old transponder but will now get a BNC fitting as well. Accidentally swapping the Nav/Comm antenna connectors made little difference to the radio performance, but now the transponder cable will be added to the mix and attaching the wrong cable to a device would be bad. I'll add the appropriate labels to the ends of the cables, but most of the time, I end up attaching the BNCs by feel. I was wondering if anyone had a good suggestion for changing the tactile characteristics of the transponder antenna cable. In other words, when I reach back and grab the end, I'm going to want to instantly know it's the transponder cable without being able to read the label. Any suggestions? Ron Wanttaja
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#7
February 1st 04, 01:29 AM
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"Ron Wanttaja" wrote in message ... I'm in the midst of working on my transponder install. I've got three antenna cables running to the radio/transponder panel. Two are for the Narco Nav/Comm and attach via BNC, the other used to be soldered to the rack for the old transponder but will now get a BNC fitting as well. Accidentally swapping the Nav/Comm antenna connectors made little difference to the radio performance, but now the transponder cable will be added to the mix and attaching the wrong cable to a device would be bad. I'll add the appropriate labels to the ends of the cables, but most of the time, I end up attaching the BNCs by feel. I was wondering if anyone had a good suggestion for changing the tactile characteristics of the transponder antenna cable. In other words, when I reach back and grab the end, I'm going to want to instantly know it's the transponder cable without being able to read the label. Any suggestions? Ron Wanttaja How about a couple blobs of JB Weld on the outside of the connector? -- Jim in NC
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#9
February 1st 04, 01:40 AM
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"Ron Wanttaja" wrote in message ... I'm in the midst of working on my transponder install. I've got three antenna cables running to the radio/transponder panel. Two are for the Narco Nav/Comm and attach via BNC, the other used to be soldered to the rack for the old transponder but will now get a BNC fitting as well. Accidentally swapping the Nav/Comm antenna connectors made little difference to the radio performance, but now the transponder cable will be added to the mix and attaching the wrong cable to a device would be bad. I'll add the appropriate labels to the ends of the cables, but most of the time, I end up attaching the BNCs by feel. I was wondering if anyone had a good suggestion for changing the tactile characteristics of the transponder antenna cable. In other words, when I reach back and grab the end, I'm going to want to instantly know it's the transponder cable without being able to read the label. Any suggestions? Ron Wanttaja Get a little o-ring that just slips on and slide it on before attaching the connector. Put heat-shrink over both the cable and the o-ring. You could do some coding with this -- no bumps vs 1 bump vs 2 bumps. Tim Ward
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#10
February 1st 04, 02:59 AM
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Morgans wrote:
"Ron Wanttaja" wrote in message ... I'm in the midst of working on my transponder install. I've got three antenna cables running to the radio/transponder panel. Two are for the Narco Nav/Comm and attach via BNC, the other used to be soldered to the rack for the old transponder but will now get a BNC fitting as well. Accidentally swapping the Nav/Comm antenna connectors made little difference to the radio performance, but now the transponder cable will be added to the mix and attaching the wrong cable to a device would be bad. I'll add the appropriate labels to the ends of the cables, but most of the time, I end up attaching the BNCs by feel. I was wondering if anyone had a good suggestion for changing the tactile characteristics of the transponder antenna cable. In other words, when I reach back and grab the end, I'm going to want to instantly know it's the transponder cable without being able to read the label. Any suggestions? Ron Wanttaja How about a couple blobs of JB Weld on the outside of the connector? -- Jim in NC Shoe Goo.
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