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Intersection Station Finding . . . 15 matches
...= Determining whether you have found the correct intersection station = There are several types of [[intersection station]]s. With each of them, it is extremely critical to determ...

2.9k - rev: 3 (current) last modified: 2009-03-21 21:03:19

intersection station . . . 10 matches
...An '''''intersection station''''' is usually a highly visible landmark like a water tower or church steeple that has a position that was determined by triangulation, as opposed to...

1.1k - rev: 6 (current) last modified: 2009-03-22 11:18:44

triangulation station . . . 7 matches
...A '''''triangulation station''''', or "tri-station", is a type of [[horizontal control]] [[station]]. Coordinates of triangulation stations were obtained by precisely measuring t...

0.5k - rev: 3 (current) last modified: 2009-03-21 21:03:18

traverse station . . . 6 matches
...A '''''traverse station''''' is a type of [[horizontal control]] [[station]] that is a measured distance and direction from another station. The distances between traverse stati...

0.3k - rev: 2 (current) last modified: 2009-03-21 21:03:19

trilateration station . . . 5 matches
...A '''''trilateration station''''' is a [[station]] whose position was computed from measurements of three sides of a triangle. The position of a station whose position is unknown...

0.4k - rev: 2 (current) last modified: 2009-03-21 21:03:18

RecoveryWriting . . . 14 matches
...'''General notes:''' The [[NGS]] guidelines on writing a [[station]] [[recovery report]] are [[http://www.ngs.noaa.gov/cgi-bin/ds_lookup.prl?Item=STATION%20RECOVERY|here]] (the r...

2.5k - rev: 6 (current) last modified: 2009-03-21 21:03:18

Which Report . . . 11 matches
...d a water tower that has 6 legs or just one leg (a standpipe), then the water tower [[station]] has been replaced, and the water tower station described is destroyed. * If you fo...

6.6k - rev: 11 (current) last modified: 2009-03-21 21:03:18

Found Notes . . . 11 matches
...es such as power poles, centerlines of roads, fire hydrants, and trees '''to''' the [[station]]. Distances from features to the station can be reported in either meters or feet, ...

2.2k - rev: 5 (current) last modified: 2009-03-21 21:03:18

VORTAC . . . 10 matches
...'''VORTAC''' is a type of aircraft navigation system transmitter station. It is really an acronym for two abbreviations, __VOR__ and __TAC__AN. [[http://en.wikipedia.org/wiki/VHF...

2.0k - rev: 14 (current) last modified: 2009-03-21 21:03:19

Glossary . . . 10 matches
...F)>> . F<<BR>> [[flagging]], [[FORWARD]] ---- . <<Anchor(G)>> . G<<BR>> [[gaging station]],GeoCalc, [[geoid]], [[GPS]], [[gravity station]] ---- . <<Anchor(H)>> . H<<BR>> ...

3.0k - rev: 25 (current) last modified: 2009-03-21 21:03:19

box score . . . 8 matches
...muth]]s to [[reference mark]]s, [[azimuth mark]]s, witness marks, and other nearby [[station]]s. An example of a box score is shown below: {{{ LY0776|-------------------------...

1.9k - rev: 5 (current) last modified: 2009-03-21 21:03:19

occupied . . . 6 matches
...To say that a survey [[station]] has been occupied means that survey equipment has been set up over the station mark for observation from it to other stations. There are a few mar...

0.4k - rev: 2 (current) last modified: 2009-03-21 21:03:19

azimuth mark . . . 6 matches
...An '''''azimuth mark''''' is a [[station]] that is associated with a primary station. The important aspect of an azimuth mark is that its [[bearing]] from the main station is bas...

0.6k - rev: 9 (current) last modified: 2009-03-21 21:03:19

reset . . . 4 matches
...A '''''reset''''' is a [[station]] that has been put in place as a replacement for a destroyed or disturbed [[station]]. It is usually not in exactly the same location as the orig...

0.4k - rev: 2 (current) last modified: 2009-03-21 21:03:19

beacon . . . 4 matches
...es]], [[http://www.navfltsm.addr.com/ndb-nav-adf-1.htm|ADF / NDB Radios]], [[VORTAC]] stations, and eventually [[GPS]]! Obviously, Airway Beacon sites had to be accurately locate...

4.1k - rev: 11 (current) last modified: 2009-03-21 21:03:18

Recovery Report Writing . . . 4 matches
...Report Writing = The [[NGS]] has [[http://www.ngs.noaa.gov/cgi-bin/ds_lookup.prl?Item=STATION%20RECOVERY|guidelines]] on writing a [[recovery report]] for a [[station]]. (The refe...

0.6k - rev: 5 (current) last modified: 2009-03-21 21:03:18

control . . . 3 matches
...apping. Surveyors determine other positions relative to the control points. Survey [[station]]s are established for different purposes; some stations are for horizontal control a...

0.6k - rev: 3 (current) last modified: 2009-03-21 21:03:19

FirstTime . . . 3 matches
... the most recent one that has distances measured from local reference points to the [[station]]. The last distance mentioned is the closest to the mark and is therefore the most i...

5.9k - rev: 7 (current) last modified: 2009-03-21 21:03:18

witness post . . . 2 matches
...arker such as a plastic or metal post that has been driven into the ground near the [[station]] in order to make it easier to find. A "Carsonite" witness post is a plastic post ma...

0.4k - rev: 3 (current) last modified: 2009-03-21 21:03:18

water tower . . . 2 matches
...ted above the ground by several legs. Water towers are often used as [[intersection station]]s, or less commonly as references in a "to reach" description. Old water towers hav...

0.9k - rev: 3 (current) last modified: 2009-03-22 11:21:10

reference mark . . . 2 matches
...rence mark''''' is a nearby disk that is placed in order to help locate the primary [[station]] in later years, or to help reset it if if ever becomes damaged or destroyed. Most r...

0.6k - rev: 3 (current) last modified: 2009-03-21 21:03:18

recovery report . . . 2 matches
...port''''' is a portion of a [[NGS]] [[datasheet]] that describes the condition of a [[station]] at times subsequent to its original placement. Recovery reports may contain updated...

0.8k - rev: 3 (current) last modified: 2009-03-21 21:03:19

power pole . . . 2 matches
...pole, sometimes called a telephone pole. As a local feature to assist in locating a [[station]], it doesn't really matter which kinds of wires the pole supports. What does matter ...

0.4k - rev: 2 (current) last modified: 2009-03-21 21:03:19

drilled hole . . . 2 matches
... holes are used as [[reference mark]]s or witness marks, while others are used as the station mark. Drill holes used as a [[station]] mark usually have metal in them, such as a br...

0.4k - rev: 2 (current) last modified: 2009-03-21 21:03:18

differential leveling . . . 2 matches
...l leveling''''' is a surveying technique whereby the difference in elevation of two [[station]]s is computed by comparing the height of a level horizontal line passing above the s...

0.5k - rev: 2 (current) last modified: 2009-03-21 21:03:19

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