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91
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eHam Forums / Elmers / RE: HT thru airport security
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on: November 28, 2012, 05:59:43 PM
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Yes, have your license. Be prepared to turn it on to demonstrate that it is what it seems to be. If you have lithium ion batteries, they may not allow it aboard the aircraft at all. If you are told that you cannot fly with it, do not argue - you may end up with out a radio in the end. And, DO NOT, under any circumstances, turn it on once you are on the aircraft.
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95
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eHam Forums / Elmers / RE: Headset Questions
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on: November 14, 2012, 10:22:59 AM
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....... I can't seem to get any readings on the ALC meter into a dummy load unless I have the mic up against my lips. .......
When are fully modulating the transmitter, you should only see an indication on the ALC at voice peaks. IT is not a VU meter.
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98
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eHam Forums / Mobile Ham / RE: What Car or Truck Would Make the Best Mobile Platform?
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on: November 11, 2012, 09:55:12 AM
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I have a 2010 Suburban with the following: Yaesu FT-7900 VHF/UHF; Yaesu FT-8800 VHF/UHF; Alinco DX-SR8t HF; Midlands CB; Uniden BCD-396XT Scanner; MFJ Programmable Screwdriver Antenna Controller; Ameritron Remote SWR/Power Meter; Gap Hear-It DSP Amplified Speaker; Lil Tarheel II Screwdriver mounted on the tailgate w/Lip mount; VHF/UHF antenna mounted on the tailgate w/Lip mount; CB antenna on magnetic mount in center of roof; Larsen NMO scanner antenna on luggage rack mount over front passenger door; Comet VHF/UHF antenna on luggage rack mount over driver door. In my case, no kids to worry about, the third seats are removed and all the radio chassis, with the exception of the CB, are in the third seat, foot wells. I specifically looked for an LS model to get the bench seat. I removed the cushion and seat back for the middle seating position which left me a nice base to mount the gear on. The radio control heads, the antenna controller, the control for the SWR meter and the amplified speaker are mounted on a finished piece of Birch plywood cut to fit on top of the console. A 12VDC distribution box, utilizing PowerPoles, is in the console. I also included a dual PowerPole assembly in the top panel for accessory connections, as needed. All connections from the console to the radios exit the console along the transmission tunnel and are covered in a split, woven wire loom (I didn't want to bury them under the carpet and make them difficult to service). And, yes, this vehicle was bought with Amateur Radio in mind.
So...... Where do you sit? :-) In the driver seat if I am driving.
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100
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eHam Forums / Mobile Ham / RE: Bias-T power injectors to run screwdriver motor.
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on: November 08, 2012, 05:52:28 AM
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It is possible to inject DC power into the coax in either polarity, thereby allowing up/down control of the screwdriver antenna motor and eliminating the separate control cable. However, you lose the ability to count turns on the motor making it rather hard to return to a previous setting. Also, depending on the antenna being used, running the motor to the stops repeatedly could cause damage.
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101
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eHam Forums / Elmers / RE: Bias-T power injectors
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on: November 08, 2012, 05:48:44 AM
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It is possible to inject DC power into the coax in either polarity, thereby allowing up/down control of the screwdriver antenna motor and eliminating the separate control cable. However, you lose the ability to count turns on the motor making it rather hard to return to a previous setting. Also, depending on the antenna being used, running the motor to the stops repeatedly could cause damage.
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105
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eHam Forums / Satellites / RE: Portable SAT OPs - ARROW/Wouxon/iTouch
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on: October 28, 2012, 08:31:04 PM
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I use the hole in the boom to mount it to a heavy-duty camera tripod. I tilt the tripod head to the maximum elevation for the pass the bring the antenna to horizontal. Aim it at the azimuth for the AOS then lock the azimuth rotation. Rotate the antenna boom on the elevation axis to sweep from the AOS azimuth through the LOS azimuth as the pass progresses. I have used this setup with an Alinco 70CM HT (use an earbud to listen) for the downlink and an iCOM 2M HT for the uplink.
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