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Do the lights on antennas tell you how high they are and if so how many feet apart are these light placed?

Dont use that kind of messurement,different places differents altitudes for the ligt.Rigth now im close to an airport,anything do have ligth on.40km from here there are a 300ft whit no ligth and the one i usaly jump,have ligths at evry 200ft..

so no dont us it

Get a laser rangefinder.

and a fly-map(?not sure its rigth,but a map a pilot use) a watch whith an alti is also a good thing..
but yes a laser ranger do rock(any one want to buy me one/or sell one cheap..)

i started a thread like this a while ago. check it out, some links in there...

peace

thanks - I was just being curious

In the U.S., they are either called Sectionals (larger scale) or TAC's (Terminal Air Chart, I think) (smaller scale). The best people to ask about them are the pilots at the DZ.

You can also buy Sectionals (and some of their non-U.S. equivalents) here.

How accurate are sectionals and terminal pilot charts? Anyone seen any discrepancies, fudge-factors, etc built into them? How accurate are those skydiving wristwatch altimeters?

Personaly i only use them to easy objects,here i mean im sure its high enough(the lowest i see on mine is 389ft)but beaware its from MSL(?acurate me if im wrong,mean water level),therefor you still need to meassure the object,but in flat land as DK ,you sure its 300ft


Not good enough.I dont rember the # but were talking serval m +/- .At the time i have a Casio Alti-termo watch,it counts in ft whitin 5m,do i need more acurency ill use a line,until the day ill get a laser ranger.

I think they vary. One that I own has several towers marked at exactly 2000', for example. The most recent version of it, though, has adjusted the marks so that they are more like 1967', 2004', etc. I think that someone at the FAA keeps going through and trying to update old objects (as well as putting on the new ones, which is the whole reason the things have new printings so often, and pilots are required to have recent ones).


If you are using them to measure altitude, they're ok for quick approaches. If you spend too long getting to the exit, though, general atmospheric conditions can change, and screw up the whole thing. I far prefer laser rangefinders.

As Faber points out, it really only matters if you're worried that the object isn't tall enough at all, and then you really ought to be using a rangefinder. If the object is tall enough, then the difference between 1700' and 1780' isn't too critical. You can push your delay lower on subsequent jumps until you are at your comfort limit. You never ought to be sucking it way down on your first (or first five or ten) jumps off of anything, anyway.