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eHam Forums / Elmers / audio setup
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on: March 12, 2004, 10:21:07 PM
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Don't suppose the Predator another 10 feet higher would help??
73
Bill, WØLPQ
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eHam Forums / Elmers / Aviation headset PJ-068 wiring?
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on: March 04, 2004, 09:21:02 PM
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My Telex has one also. Do not remember, and since retirement, have no books. But, call your airport and/or find a local avionics shop. Ask them for that info. A lot of mechanics/avionics techs have wired in jacks for headset combos. Should be standard, but darned if I remember...CRS syndrome.
73
Bill, WØLPQ
Collins Avionics Field Service, Retired
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eHam Forums / Elmers / IC-910H & 1750hz Tone Burst
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on: February 26, 2004, 06:21:37 PM
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Dave, 2 suggestions. Email Icom of America or get on the QTH.Net site and sign up for the Icom Reflector.
Sold my 910H, as I seldom used 430SSB like I thought I would. It is a good radio. But, I fear that the European version enables the 1750 Tone, while the Americas version does not have it. You have 2 of these questions on this site...
But, query Icom or the reflector.
73'
Bill, WØLPQ
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eHam Forums / Elmers / 60 meters on icom 746 pro
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on: February 17, 2004, 01:05:02 PM
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Yes they do. For further info, look at the Icom Reflector on QTH.net.
The only radios that do not are the 706IIg and 718. No built in tuner and bandpass filters selected slightly different.
73
Bill, WØLPQ
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eHam Forums / Station Building / Icom 706 for AmSat work?
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on: February 05, 2004, 04:55:10 PM
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Chris an Icom IC-910 is a great radio for sats. Has a switch for that selection. It has indivudual inputs on the rear for UHF & VHF antennas. External preamps and the ability to have a 1.2G unit installed.
73
Bill, WØLPQ
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eHam Forums / Elmers / loop antenna
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on: January 17, 2004, 07:59:40 PM
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At the opposite side (end) of the feed point a ciol will work. Don't have the exact dimensions, but one of the guys at the Predator shootout had one.
You might ... for grins check out the KJ9T.com website and see if the info is there...it was going to be posted.
73
Bill, WØLPQ
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eHam Forums / Elmers / Bad ssb audio on ts 830s
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on: January 17, 2004, 07:57:51 PM
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W8KFM repaired one for K8BMN in Lodi. Had Power Supply filter problems. Might try that area..
His initial reports were pretty much as you describe.
73
Bill, WØLPQ
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eHam Forums / Antennas and Towers and more / MOONRAKER HF VERTICAL ANTENNAS
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on: December 28, 2003, 05:52:10 PM
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3db gain....what frequency..? An antenna that is only just over 13 feet long (or high) will not have any gain on on any of the frequencies listed. It is just not long enough to even be considered a vertical colinear array. Not sure where they make their claim to 3DBd...!
73
Bill, WØLPQ
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eHam Forums / Elmers / FRS to 440
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on: May 03, 2003, 01:28:34 PM
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Why.....for the power of FRS radios, you can get a very nice 70cm rig for not a lot of money. This question keeps coming up everywhere. Not much power out of an FRS rig, why would anyone want to waste their time (ok...I just wanna do it!)....as I said...waste your time. Build an antenna and make a 70cm rig really perform.
You would most likely have to change a crystal and retune the radio. Do you have test equipment to do this?
73
Bill, W0LPQ
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eHam Forums / Boat Anchors / Hearthkit Comanche Receiver Mods
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on: February 19, 2003, 08:31:19 PM
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Holy Cow...!!! Went knuts didn't ya..!! Sounds good Jim. Never looked inside the thing...!
You got a good report from the west coast last sunday..! So....it must be doing well..!
Sounds great....the 740 is playing great. Found an old supply my dad had for some battery elimination thing, and rewired it for memory battery..! Now can shut it off and stays...
Take care...you are having fun, I can tell...!!!
Snow this morning, sun this afternoon. To Cincinnati tomorrow to get rid of the S-3 Line...and get a 756 Pro..!!
73
Bill, W0LPQ
Still have speaker ideas....!!
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eHam Forums / Elmers / 10 and 20 meter dipole
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on: July 29, 2002, 10:42:50 AM
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Another idea, which is one I use, is add another chunk of wire and make 2 dipoles from the same center support for 20 or 15 or 40 or 80..!
I use a dipole with sections for 10/20/40/75 and it works fine. Low SWR. This idea is also in several ARRL handbooks and Antenna books.
If you have the room, go this way. Traps tend to be lossy, but do work if you are short on space.
Steve has the idea..! I think that is what he has used in the "olde" days...!!
73
Bill, W0LPQ
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15
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eHam Forums / Elmers / gain
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on: February 25, 2002, 11:10:27 PM
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To further the comment of Pete, if you want gain, you need either more elements in the direction you are wanting to talk to, or, build long dipoles, per many ARRL and other publications. Long dipoles can get you some gain. But, as Pete said, you need to focus that energy, and a single wire (except in some circumstances) just don't do that.
73
Bill, W0LPQ
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