11. Many radio operators, called " pianistes ", were located by German goniometers . 12. In fact, good digital and software goniometers provide artificial and even user-adjustable persistence. 13. The cleavage angles can be measured with a contact goniometer , which is similar to a protractor. 14. A "'goniometer "'is often included in PPM as a secondary function. 15. The goniometer proves useful because it provides very dense information in an analog and surprisingly intuitive form. 16. The instruments included altimeters, thermometers, compass, clock, and a Telefunken P63N radio goniometer . 17. With no need for a goniometer , EDXRD is able to collect full diffraction patterns very quickly. 18. The FRD-10 used a goniometer to rapidly scan through all the antennas around the circle. 19. In a single-crystal X-ray diffraction measurement, a crystal is mounted on a goniometer . 20. The blades are then checked with a laser reflecting goniometer to verify the angle of the cutting edges.