Bill Coleman AA4LR wrote:
> On 7/2/97 10:05, Lee Buller at firstname.lastname@example.org wrote:
> >Why not take some duct tape and strap on a GPS device on the boom.
> The duct
> >tape will stick for a year and weather coat the device to boot. Use
> a GPS
> >that has an RS232 interface and hook it to a Windows program.
> Great idea, Lee. Someone else also suggested this in private e-mail.
> You'll need TWO GPS antennas, since a typical GPS receiver is only
> accurate to around 300 feet. Having two antennas allows you to correct
> for the variation in GPS position that occurs from time to time. (A
> technique known as differential GPS)
> Of course, a layer of duct tape alone won't do for TowerTalk readers.
> First, you'd have a layer of duct tape. Then a layer of vulcanising
> rubber (but not the dreaded Coax-Seal, 'cause you'll never get it off)
> Then a layer of Scotch 33 or 88. Then spray with a clear enamel spray.
> Then another layer of Scotch 33 or 88, making sure to wrap upwards and
> relax the tape before finishing the wrap to prevent flagging.
> Then again, you'd have to repeat this process each time you replaced
> batteries in the GPS unit....
Works best when installed over ground that has been treated with milky
spore for Japanese beatle grubs.
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