N766AS From , joined Dec 1969, posts, RR: Posted (13 years 3 months 2 weeks 6 days 4 hours ago) and read 1539 times:
Well, jumpstarted by the topic by 'Endofdays', I decided to go out and take a look at a real, live, NDB/OM station ('compass locator' or whatever). And its only a few miles away.
The DONDO NDB (in the 1800 block of S 265 PL, with access from Pac Hwy on 268 ST by the new Woodmont library) also serves as the OM for SeaTac. Interesting tech stuff there. Its the 'wire between poles' type and I suggest that anyone living in the Seattle area that is interested in that kind of stuff checks it out. Really surprised me, even after seeing pictures on the internet of things just like it. It is located in a small residential area with a 'no outlet' sign on it. It is the OM for runways 34. You can see the OM for rwys 16 at Boeing Field, but I am not exactly sure where at BFI.
My next venture: a VOR station...hehe
Firefly_cyhz From Canada, joined Jul 2000, 167 posts, RR: 1 Reply 1, posted (13 years 3 months 2 weeks 5 days 18 hours ago) and read 1392 times:
I think it is kind of fun just to try and find them. I usually go to the library and check the topo. maps for the area and photocopy it and then go for a car ride. When you are almost close enough to see the NDB you can tune your car radio in am mode and hear the NDB (multiply the freq. by 2 or 3 times and tune that station eg. NDB 353 kHz tune on am radio 706 kHz or 1059 kHz) Unfortunatly the VOR's in my area have a fence quite far back from them so you can't get very close to them or they are located on an airport. Good luck in you search!
N766AS From , joined Dec 1969, posts, RR: Reply 2, posted (13 years 3 months 2 weeks 4 days 7 hours ago) and read 1381 times:
Thanks! What I have been doing to locate these navaids is getting their Lat/Long from AirNav then going to mapquest and looking the coordinates up. Good idea on the topography.. never know if its inaccessable on a hill or something.
N766AS From , joined Dec 1969, posts, RR: Reply 4, posted (13 years 3 months 2 weeks 3 days 5 hours ago) and read 1367 times:
Oh? I guess that would help enormously. I do have a Seattle Sectional, but that does not go into much detail, as you may know, and it only shows interstates. Do you use the VFR terminal chart? I have seen those at the office at S50 (Auburn.. or is that S36.. i get it confused with Crest).
Firefly_cyhz From Canada, joined Jul 2000, 167 posts, RR: 1 Reply 5, posted (13 years 3 months 2 weeks 2 days 18 hours ago) and read 1362 times:
I am not sure what it would be called in the U.S. but in Canada it is called a "VFR navigation chart". It has a scale of 1:500 000. I am not sure what the sectionals you have are like but I just use my chart to narrow down the area where the beacon may be (in relation to major road and on what side of the road). I then use the topo. map to see any side roads or where exactly on the road the navaid is located. If you use both the VFR chart and the topo. map you can try and rule out any other nearby towers on the topo. map (on all the topographic maps I have looked at all the VORs and NDBs as well as any other tower are a little circle and say "COMM" next to them). Once you know where you are going they are pretty easy to find, especially in rural areas where you can drive along the road and then you see a dirt road going off to one side with lots of telephone poles and power lines along side it and its a pretty good guess that is where the navaid is. Some of the NDBs are harder than that. On one that I found I had to travel about a mile back into the woods on a very muddy road and if the ground wasn't still somewhat frozen I would have got stuck. I finally found the NDB though and it was in very dense woods and if it wasn't for the topo. map I never even would of thought of looking down that road.
N766AS From , joined Dec 1969, posts, RR: Reply 6, posted (13 years 3 months 2 weeks 2 days 10 hours ago) and read 1359 times:
Ohhhh.. ok. The FAA sectionals down here cover a block of airspace and show airports, low altitude airways, VORs, etc. It is also 1:500,000. It covers an area about the size of the State of Washington and there are about 40 of them. This is probably the equivalent.