Do any of you have experience with the Kenwood TH F6A HT? There are a couple on ebay for reasonable prices.
On Tue, Jun 16, 2015 at 2:23 PM, Chris Attebery <[email protected] > wrote: > Thanks to all of you for the info. In a perfect world I wouldn't need to > RDF the rocket at all. I'd get the last GPS location and drive right to it, > right? I think I may try one of the cheapie radios. Someone has generously > offered to let me use their antenna and Teledongle so I've put off spending > a few dollars for the time being. > > On Tue, Jun 16, 2015 at 1:11 PM, Max McHatton <[email protected]> wrote: > >> I’ve been DFing and RFI locating professionally for more than 30 years; >> and Terry’s method is sound. The commercial DF/RFI Kits have a built in >> analogue signal strength meter, that helps you determine left or right. >> The human ear, if in good condition, is far more sensitive to variations >> than all but the most sophisticated and expensive meters. >> >> Two things could possibly help to refine the method: Loop Antenna, and >> stubby antenna (1”) for when you get very close. Arrow does make loop >> antennas in both VHF and UHF. I haven’t tried them yet, but I intend to. >> As for the stubby; the ones I have used were supplied with commercial DFing >> Kits. I have yet to identify a commercial source for them. I suppose I >> could make one easily enough with a BNC connector and a piece of solid >> wire.. >> >> >> >> Max >> >> >> >> *From:* altusmetrum [mailto:[email protected]] *On >> Behalf Of *Terry W7AMI >> *Sent:* June 16, 2015 10:56 >> *To:* Altus Metrum >> *Subject:* Re: [altusmetrum] RDF on the cheap >> >> >> >> I guess I do DFing differently than most people? I don't use the signal >> strength meter at all. I open up the squelch and listen to the incoming >> signal. You can hear a weak signal, even using FM, long before the >> squelch will open or the signal will show up on the S-Meter. I move the >> beam antenna around until I find the direction where the signal is the >> least noisy. When the signal is stronger I switch in attenuation to >> reduce the signal strength so the signal becomes noisy again. >> >> Terry >> >> >> >> >> >> On Mon, Jun 15, 2015 at 10:43 PM, W7AMI <[email protected]> wrote: >> >> The problem with the Baofeng UV3R that I have is ease of use, or rather >> lack of. If you want to set it up with a Mobilinkd modem it's good. But >> for general use it cumbersome. To DF you will want to turn off the >> squelch. To do that you have to hit the Menu button on the front panel >> and use the selector knob on the top of the radio to scroll through the >> functions to the squelch function. Then hit the U/V button to select the >> squelch feature and then rotate the selector knob on top until the squelch >> is set to zero. It works. It takes longer to read than to actually do it >> but it isn't convenient. Even the volume control is primitive. Hit the >> Vol button and rotate the selector knob to turn the volume up or down. >> The entire volume range is only 9 steps. I find I only use the first two >> steps. The big feature is that is is cheap. I mostly use mine to >> monitor the launch channel on the FRS service while hunting rockets away >> from the launch area. The launches are almost cooler 1/2 mile away from >> the pad! That's my experience your mileage may vary. >> >> Terry >> >> >> >> _______________________________________________ >> altusmetrum mailing list >> [email protected] >> http://lists.gag.com/mailman/listinfo/altusmetrum >> >> >
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