You can put the D72 into km mode (menu 2-C on my version) which makes the display 100 meters. Without WAIS, that's as good as it gets. Like most people, I just enter it into my Garmin and drive/walk to it. Allen Terseness and mis-spelling courtesy of my iPhone On Dec 18, 2011, at 5:26 PM, Greg Clark <bigredbee@xxxxxxxxx> wrote: > Why would you bother doing that, negates the whole point of having a GPS in > the first place -- the GPS should be able to get you with 30 feet. If the > Kenwood radio doesn't support finer granularity than .1 mile, then ditch it > and use a cheapo handheld GPS (or even your Iphone) and type the > coordinates into that (that's what I do) . Used Garmin Etrex's are $50 on > ebay. > > -- Greg > > On Sun, Dec 18, 2011 at 5:06 PM, Lesnick, Mike <mikel@xxxxxxxxxxx> wrote: > Richard, > > > > Thanks for the input. So bottom line is that when I’m close I would switch > to the Yagi antenna and use it like a traditional radio beacon (non-GPS) > directional signal finding radio. Is there a particular Yagi antenna you > would recommend for the 70cm transmitter, the BeeLine 70 cm GPS transmitter? > > > > Mike > > > > Michael Lesnick > > Axiom Healthcare Group > > 18135 Santa Lauretta Cir > > Fountain Valley, CA 92708 > > 714-594-5720 - Office Phone > > 714-323-5968 - Cell > > 714-968-7076 - Fax > > MikeL@xxxxxxxxxxx > > > > > > > > From: roc-chat-bounce@xxxxxxxxxxxxx [mailto:roc-chat-bounce@xxxxxxxxxxxxx] On > Behalf Of Richard > Sent: Sunday, December 18, 2011 12:52 PM > To: roc-chat@xxxxxxxxxxxxx; roc-chat@xxxxxxxxxxxxx > > > Subject: [roc-chat] Re: Anyone With The Kenwood TH-D72 GPS Radio? > > > Hi Michael > I thrown in my experience in tracking. I have a Kenwood F6A I use for > tracking and a Arrow Yagi antenna(http://www.arrowantennas.com/). You can > also make your own Yagi out of a old measuring tape do an internet search > also look up foxhunting, transmitter hunting. You'll need some kind of > directional ant. to aid in zeroing in on you rocket transmitter. In the brush > at the edges of the lake you can walk by a rocket that is 50-100' if the > brush is dense enough. By moving the the ant. side to side and watching the > signal strength meter you can zero in the location. It maybe necessary to > tune your receiver off freq. a bit to attenuate the signal as you get closer. > A Yagi can also aid you in locating the signal after the rocket has landed. > If the transmitter antenna is damaged (bent, wrapped up in shock cords, etc.) > or if it's in a low spot (ditch) the signal can be lost. It is sometime > necessary to get on a hill or a rise to get a direction (think of a 10-15k > flight on a breezy day) members have found rockets on the other side of the > hills to the north. On a big level 2 or level 3 project it's a little windy > you launch and the main unexpectedly deploys at apogee and now your looking > for your rocket 4-5+ miles down range. Even with GPS you need the high gain > of a Yagi or similar antenna to get good data. > Practice, taking your Beeline out and get someone to hide it and > practice finding it. Your local ham clubs will have transmitter hunts monthly > in your area, talk to the participants they'll have good advice. > > Good luck > Richard C. Hall > TRA 11515 AF6IH > > -----Original Message----- > From: Greg Clark > Sent: Dec 17, 2011 3:29 PM > To: roc-chat@xxxxxxxxxxxxx > Subject: [roc-chat] Re: Anyone With The Kenwood TH-D72 GPS Radio? > > I don't use my Kenwood that way -- maybe turned on the GPS once or twice. I > use a handheld GPS to track down the rocket. > > > > -- Greg K7RKT > > On Sat, Dec 17, 2011 at 3:20 PM, Dennis Dinga <dennis@xxxxxxxxx> wrote: > > OK Mike. I'll wait to others on roc-chat reply. I know that Allen > Farrington and maybe Rob Bringham use Kenwood APRS radios. I'm hoping they > will have your answer before I go further. Greg K7RKT should have the answer > too. > > -Dennis > > > > > At 01:50 PM 12/17/2011, you wrote: > > > Dennis > > Thanks for the quick reply. I’ve used the combination a few time now and the > transmitter and receiver work well together. Unfortunately, the scale does > not change when I get close. If I’m closer than 1/10 of a mile, the reading > is simply 0.0 mi. If you have anyone who may have an answer I’d appreciate > it. If Im in a flat open deters (like the lakebed 500 feet is fine, but if > there are a lot of obstructions it could be hidden and 500 feet resolution > will not be very good. > > Mike > > Michael Lesnick > Axiom Healthcare Group > 18135 Santa Lauretta Cir > Fountain Valley, CA 92708 > 714-594-5720 - Office Phone > 714-323-5968 - Cell > 714-968-7076 - Fax > MikeL@xxxxxxxxxxx > > > > From: roc-chat-bounce@xxxxxxxxxxxxx [ mailto:roc-chat-bounce@xxxxxxxxxxxxx] > On Behalf Of Dennis Dinga > Sent: Saturday, December 17, 2011 1:41 PM > To: roc-chat@xxxxxxxxxxxxx > Subject: [roc-chat] Re: Anyone With The Kenwood TH-D72 GPS Radio? > > Mike- > > I can't answer your question, but have you tried an actual tracking test? > Maybe when you get to within 500ft of the rocket, the TH-D72 automatically > changes resolution. > > If you don't get an answer here before Monday, drop me an email and I'll ask > the Stratofox trackers up in the Bay Area. They mostly use the Kenwood APRS > radios. > > On a different note, a balloon was launched from NorCal last weekend and was > tracked via APRS all the way to the Mediterranean Sea before it deflated > north of Algeria. Pretty good for amateurs. The track is still on > www.aprs.fi Type in K6RPT-11. > > 73, Dennis N6DD > > > > At 12:59 PM 12/17/2011, you wrote: > > I have the Kenwood TH-D72 radio and the BeeLine 70cm GPS transmitter. The > Kenwood radio display screen shows the distance from the radio to the > transmitter as well as a compass with an arrow that points the direction of > the transmitter. > > The problem is that the distance scale is in 1/10 of a mile (500 feet) > increments. Does anyone know if the distance scale can be changed to feet of > meters or anything more precise than 1/10 of a mile? > > Mike > > Michael Lesnick > Axiom Healthcare Group > 18135 Santa Lauretta Cir > Fountain Valley, CA 92708 > 714-594-5720 - Office Phone > 714-323-5968 - Cell > 714-968-7076 - Fax > MikeL@xxxxxxxxxxx > > > > > Dennis Dinga dennis@xxxxxxxxx > H: 909-860-1515 C: 951-313-5192 > 1024 Twin Canyon, Diamond Bar, CA 91765 > N6DD TRA 8427 L3 > > Dennis Dinga dennis@xxxxxxxxx > H: 909-860-1515 C: 951-313-5192 > 1024 Twin Canyon, Diamond Bar, CA 91765 > N6DD TRA 8427 L3 > > > > -- ROC-Chat mailing list roc-chat@xxxxxxxxxxxxx > //www.freelists.org/list/roc-chat > >