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eHam Forums / Misc / CHEAP UHF Radios For GMRS/HAM
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on: April 02, 2009, 11:32:12 AM
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Sorry to burst your bubble but the TK805 and D models are usable on the GMRS frequencies and are certified for commercial use in the 450 to 470 range. Any commercial radio can be used in the hambands since they meet the FCC requirements for spectral emissions. The 705/805 series were originally supposed to be programmed only by "technicians" that knew the secret "handshake". Unfortunately now everyone knows the handshake and the radios can be field programmed by anyone. Being a 40 some year holder of a First Class Radiotelephone license (now General Radiotelephone) and having worked in the Two Way radio field for 45 plus years, I have some experience with this. Certified radios, of which the TK805(D) and TK705(D) are can be used in the GMRS service. A FCC license is no longer required to program these radios. Anyone can do it. Many TK805s are being used in the GMRS service as we speak. For more information on the TK705/805(D) series, come join our Yahoo group, http://groups.yahoo.com/group/Kenwood_05s/Art - KC7GF GROL license holder Congress, AZ |
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eHam Forums / Elmers / kenwood tk809/tk-709 programming?
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on: January 23, 2004, 06:09:27 PM
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OOPS, sorry for the multiple posts. Your best bet for microphones is probably Ebay unless you have a local Kenwood dealer. Also try the radio programming, Kenwood2way, KenwoodLMR and Radios 4 sale groups on Yahoo as well as any other two way groups.
Art - Kc7gf
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eHam Forums / Elmers / kenwood tk809/tk-709 programming?
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on: January 23, 2004, 05:55:46 PM
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Most any standard 6 pin mic will work. I think the number is KMC-14. It's a dynamic 600 ohm mic but the base KMC-9 will also work and it's a electret with a preamp. The later 8 pin mics will also work if you install a 6 pin on the cable and leave off the outer two pins. Or you can make a 8 to 6 pin adapter like I did. Pin 1 on right looking at the connector on the radio.
1 - BLC
2 - 1 - +12vdc
3 - 2 - PTT GND
4 - 3 - PTT
5 - 4 - mic GND
6 - 5 - MIC hot
7 - 6 - hook (gnd for scan & PL decode)
8 - CM
Depends on what you call American tones. It will do all Motorola PL and DPL codes plus DTMF. It also 16 different versions of 5 tone including the EIA USA standard.
Art - KC7GF
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eHam Forums / Elmers / DX88
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on: May 21, 2002, 11:50:38 PM
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Anybody got a manual for this vertical made by Hygain? Got a used one without the manual. Hygain has an online site but no manuals posted yet. I am assuming it is one or two pages that can be scanned easily. If not I'll wait for Hygain. Art kc7gf@aol.com |
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eHam Forums / Elmers / Stepping down voltage?
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on: May 21, 2002, 11:42:31 PM
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Depends on what type of HT you are using but many will work with +12v applied directly (through a proper size fuse of course) My Yaesu VX5 and Kenwood TH79 are both this way. The VX5 regulates it internally and the TH79 puts out more power on 12v than it does on it's standard 6 or 7.2 volt internal batteries. Check with the manufacturer. If not one of the above ideas will work well. I built a 9v (actually 8.7v) regulator inside a cigarette lighter shell to power my Alince DJ-C5 (an 8 volt regulator with a diode in series with the ground lead to raise it .7v more)(and a fuse of course.) The DJ-C5 is only 300 mW so it draws very little current on TX.
Art - KC7GF
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eHam Forums / Elmers / PL259 Soldering
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on: May 21, 2002, 11:26:35 PM
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The easiest way is to buy the crimp-on connectors from Antenex at about $6 and their crimptool at about $65. (less if dealer cost) I've put on hundreds of N and PL259 connectors on LMR400 using this method and best of all no soldering. Antenex 708-351-9011
Art - KC7GF
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eHam Forums / Computers And Software / Radio Propagation plotting ---(TAP programs)
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on: May 21, 2002, 10:59:32 PM
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I don't know anything about TAP but I use a program called Radiosoft for work. It's far too expensive for personal use. (over $5000 with about half of the databases.) Tell me your lat, long, output power, antenna height above ground, type of coax and antenna gain and I will send you a plot in .bmp format. The program uses the USGS land database so it knows the ground elevation and figures gain/loss for all the other parameters. Reply to kc7gf@aol.comArt - KC7GF |
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eHam Forums / Misc / Operating on cruise ship
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on: May 21, 2002, 10:44:04 PM
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Just don't try to operate without asking first. One of the newbee locals did that, not knowing or caring what the rules were, and they confiscated his equipment for the rest of the cruise. Luckily he got it back at the final destination.
Art - KC7GF
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