observation; survey; measurement; opinion; prediction; thinking
guess; speculation; supposition
unexpected; unforeseen; accidental
astronomical observation; stargazing
eye measurement; measure with eye
to have a good idea; to be able to predict
unmeasurable; impossible to measure
measuring instrument; instrumentation
observatory; observation post
monitoring equipment; observational instrument
surveyor; surveying engineer
a matter for speculation; only conjecture; just guesswork
astronomical observation; shooting the sun
survey; actual measurements
positioning; measurement of position
measured value; measurement
age determination; dating
weather balloon; sounding balloon; observation balloon; espionage balloon; trial balloon
pacing off (a measurement or distance)
conjectures and surmises; speculation; giving one's imagination full play without any ground
measurement limit; measurement limitation; measuring limit
measured value; actual measurement
celestial navigation; astronavigation; celonavigation
measured map; surveyed map
telemetry; remote measurement
age determination method; dating technique
earth observation satellite
measuring line (surveying)
spectrometry; spectroscopy
global positioning system; GPS
earth observation (satellite, platform, etc.)
surveying; land surveying
surveying instrument; surveyor's level
oceanographic observation
survey marker; station marker
Raman spectroscopy; Raman spectrometry
business forecast; business forecasting; business prediction; economic forecasting
global positioning (system, satellite, etc.)
psychometrics; psychometry
Global Change Observation Mission; GCOM
Global Earth Observation System of Systems; GEOSS
System for Prediction of Environmental Emergency Dose Information; SPEEDI
radiocarbon dating; carbon-14 dating
radiation meter (e.g. Geiger counter); particle detector; radiation detector
scaled measurement unit; SMU
seismic network; seismic array
scientific research satellite
blood glucose meter; glucose meter; glucometer; blood glucose monitor
point of control and observation; PCO
Short-Term Economic Survey of Enterprises in Japan (Bank of Japan's quarterly economic survey); Tankan survey
online instrumentation package
satellite navigational system (e.g. GPS)
missing (data, observation, etc.)