https://telemeter.wndsn.com/ Tutorials and instrument descriptions for Wndsn Graphical Telemetry Computers: Low tech, high utility distance and altitude nomographs from the Wndsn applied science lab. Thu, 05 Mar 2026 17:18:03 +0000 https://telemeter.wndsn.com/?d=7._the_manual/GQT.WNDSN.COM.txt https://telemeter.wndsn.com/?d=7._the_manual/GQT.WNDSN.COM.txt Mon, 23 Feb 2026 19:45:12 +0000 https://telemeter.wndsn.com/?d=4._tutorials/scale_jumps.txt https://telemeter.wndsn.com/?d=4._tutorials/scale_jumps.txt Fri, 06 Jun 2025 15:11:58 +0000 https://telemeter.wndsn.com/?d=4._tutorials/twilight_lines.txt https://telemeter.wndsn.com/?d=4._tutorials/twilight_lines.txt Tue, 20 May 2025 18:07:27 +0000 https://telemeter.wndsn.com/?d=4._tutorials/shadow_square_operation.txt https://telemeter.wndsn.com/?d=4._tutorials/shadow_square_operation.txt Thu, 15 May 2025 17:52:05 +0000 https://telemeter.wndsn.com/?d=4._tutorials/online_calculators.txt https://telemeter.wndsn.com/?d=4._tutorials/online_calculators.txt Thu, 10 Apr 2025 15:02:32 +0000 https://telemeter.wndsn.com/?d=1._the_quadrant_telemeter/1.3._initial_setup.txt https://telemeter.wndsn.com/?d=1._the_quadrant_telemeter/1.3._initial_setup.txt Wed, 12 Mar 2025 18:03:50 +0000 https://telemeter.wndsn.com/?d=8._special_telemeters/recon_dog_tag.txt https://telemeter.wndsn.com/?d=8._special_telemeters/recon_dog_tag.txt Sun, 19 May 2024 09:07:02 +0000 https://telemeter.wndsn.com/?d=6._appendix/different_models.txt https://telemeter.wndsn.com/?d=6._appendix/different_models.txt Tue, 09 Jan 2024 20:37:41 +0000 https://telemeter.wndsn.com/?d=41._exercises/find_me.txt https://telemeter.wndsn.com/?d=41._exercises/find_me.txt Thu, 09 Nov 2023 13:33:39 +0000 https://telemeter.wndsn.com/?d=2._the_telemeter_side/2.1._introduction.txt https://telemeter.wndsn.com/?d=2._the_telemeter_side/2.1._introduction.txt Tue, 17 Oct 2023 19:07:13 +0000 https://telemeter.wndsn.com/?d=5._reference/MIL_vs_MRAD_vs_NATO-MIL.txt https://telemeter.wndsn.com/?d=5._reference/MIL_vs_MRAD_vs_NATO-MIL.txt Sat, 14 Jan 2023 11:59:53 +0000 https://telemeter.wndsn.com/?d=3._the_quadrant_side/3.4._history.txt https://telemeter.wndsn.com/?d=3._the_quadrant_side/3.4._history.txt Fri, 26 Feb 2021 09:54:02 +0000 https://telemeter.wndsn.com/?d=2._the_telemeter_side/2.4._history.txt https://telemeter.wndsn.com/?d=2._the_telemeter_side/2.4._history.txt Fri, 26 Feb 2021 09:53:56 +0000 https://telemeter.wndsn.com/?d=1._the_quadrant_telemeter/1.1._introduction.txt https://telemeter.wndsn.com/?d=1._the_quadrant_telemeter/1.1._introduction.txt Fri, 26 Feb 2021 09:53:50 +0000 https://telemeter.wndsn.com/?d=1._the_quadrant_telemeter/1.2._uses_and_applications.txt https://telemeter.wndsn.com/?d=1._the_quadrant_telemeter/1.2._uses_and_applications.txt Tue, 12 Jan 2021 13:24:37 +0000 https://telemeter.wndsn.com/?d=8._special_telemeters/MOA_converter.txt https://telemeter.wndsn.com/?d=8._special_telemeters/MOA_converter.txt Sat, 21 Sep 2019 14:15:18 +0000 https://telemeter.wndsn.com/?d=3._the_quadrant_side/3.3._instructions.txt https://telemeter.wndsn.com/?d=3._the_quadrant_side/3.3._instructions.txt Sun, 17 Mar 2019 08:43:12 +0000 https://telemeter.wndsn.com/?d=8._special_telemeters/MIL_calculator.txt https://telemeter.wndsn.com/?d=8._special_telemeters/MIL_calculator.txt Wed, 20 Feb 2019 16:35:36 +0000 https://telemeter.wndsn.com/?d=5._reference/shadow_square_calculations.txt https://telemeter.wndsn.com/?d=5._reference/shadow_square_calculations.txt Tue, 19 Feb 2019 17:03:23 +0000 https://telemeter.wndsn.com/?d=5._reference/multipliers_for_given_angle.txt https://telemeter.wndsn.com/?d=5._reference/multipliers_for_given_angle.txt Mon, 18 Feb 2019 20:17:14 +0000 https://telemeter.wndsn.com/?d=8._special_telemeters/universal_moon_clock.txt https://telemeter.wndsn.com/?d=8._special_telemeters/universal_moon_clock.txt Mon, 18 Feb 2019 16:20:30 +0000 https://telemeter.wndsn.com/?d=5._reference/unit_circle.txt https://telemeter.wndsn.com/?d=5._reference/unit_circle.txt Thu, 18 Oct 2018 19:40:26 +0000 https://telemeter.wndsn.com/?d=1._the_quadrant_telemeter/1.4._sighting_methods.txt https://telemeter.wndsn.com/?d=1._the_quadrant_telemeter/1.4._sighting_methods.txt Tue, 28 Aug 2018 16:14:53 +0000 https://telemeter.wndsn.com/?d=3._the_quadrant_side/3.2._feature_overview.txt https://telemeter.wndsn.com/?d=3._the_quadrant_side/3.2._feature_overview.txt Sun, 29 Jul 2018 21:15:12 +0000 https://telemeter.wndsn.com/?d=3._the_quadrant_side/3.1._introduction.txt https://telemeter.wndsn.com/?d=3._the_quadrant_side/3.1._introduction.txt Sun, 29 Jul 2018 21:15:11 +0000 https://telemeter.wndsn.com/?d=2._the_telemeter_side/2.3._instructions.txt https://telemeter.wndsn.com/?d=2._the_telemeter_side/2.3._instructions.txt Sun, 29 Jul 2018 20:54:42 +0000 https://telemeter.wndsn.com/?d=2._the_telemeter_side/2.2._feature_overview.txt https://telemeter.wndsn.com/?d=2._the_telemeter_side/2.2._feature_overview.txt Sun, 29 Jul 2018 20:35:05 +0000 https://telemeter.wndsn.com/?d=1._the_quadrant_telemeter/1.5._measurement_accuracy.txt https://telemeter.wndsn.com/?d=1._the_quadrant_telemeter/1.5._measurement_accuracy.txt Sun, 29 Jul 2018 20:30:57 +0000 https://telemeter.wndsn.com/?d=5._reference/rad_in_deg_in_mil_in_moa.txt https://telemeter.wndsn.com/?d=5._reference/rad_in_deg_in_mil_in_moa.txt Sun, 29 Jul 2018 15:25:33 +0000 https://telemeter.wndsn.com/?d=6._appendix/disclaimer.txt https://telemeter.wndsn.com/?d=6._appendix/disclaimer.txt Sun, 29 Jul 2018 15:25:33 +0000 https://telemeter.wndsn.com/?d=6._appendix/toolmaking.txt https://telemeter.wndsn.com/?d=6._appendix/toolmaking.txt Sun, 29 Jul 2018 15:25:33 +0000 https://telemeter.wndsn.com/?d=4._tutorials/star_compass.txt https://telemeter.wndsn.com/?d=4._tutorials/star_compass.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/unequal_hours_in_ritual_use.txt https://telemeter.wndsn.com/?d=4._tutorials/unequal_hours_in_ritual_use.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/triangulation.txt https://telemeter.wndsn.com/?d=4._tutorials/triangulation.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/training.txt https://telemeter.wndsn.com/?d=4._tutorials/training.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/tangent_on_sine_quadrant.txt https://telemeter.wndsn.com/?d=4._tutorials/tangent_on_sine_quadrant.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/sun_altitude.txt https://telemeter.wndsn.com/?d=4._tutorials/sun_altitude.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/star_map.txt https://telemeter.wndsn.com/?d=4._tutorials/star_map.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/adding_stars.txt https://telemeter.wndsn.com/?d=4._tutorials/adding_stars.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/analemma.txt https://telemeter.wndsn.com/?d=4._tutorials/analemma.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/distance_from_eye_level.txt https://telemeter.wndsn.com/?d=4._tutorials/distance_from_eye_level.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/angular_size.txt https://telemeter.wndsn.com/?d=4._tutorials/angular_size.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/azimuth_lines.txt https://telemeter.wndsn.com/?d=4._tutorials/azimuth_lines.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/brass_instrument_care.txt https://telemeter.wndsn.com/?d=4._tutorials/brass_instrument_care.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/computing_sine_and_cosine.txt https://telemeter.wndsn.com/?d=4._tutorials/computing_sine_and_cosine.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/coordinate_scale.txt https://telemeter.wndsn.com/?d=4._tutorials/coordinate_scale.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/course_and_distance_on_dot_grid.txt https://telemeter.wndsn.com/?d=4._tutorials/course_and_distance_on_dot_grid.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/depth_of_a_well.txt https://telemeter.wndsn.com/?d=4._tutorials/depth_of_a_well.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/determining_local_latitude.txt https://telemeter.wndsn.com/?d=4._tutorials/determining_local_latitude.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/direction_of_sunrise.txt https://telemeter.wndsn.com/?d=4._tutorials/direction_of_sunrise.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/equatorial_sundial.txt https://telemeter.wndsn.com/?d=4._tutorials/equatorial_sundial.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/a_telemeter_101.txt https://telemeter.wndsn.com/?d=4._tutorials/a_telemeter_101.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/extending_the_scales.txt https://telemeter.wndsn.com/?d=4._tutorials/extending_the_scales.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/finding_tangent.txt https://telemeter.wndsn.com/?d=4._tutorials/finding_tangent.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/inch_scale.txt https://telemeter.wndsn.com/?d=4._tutorials/inch_scale.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/measuring_in_MIL.txt https://telemeter.wndsn.com/?d=4._tutorials/measuring_in_MIL.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/measuring_in_the_dark.txt https://telemeter.wndsn.com/?d=4._tutorials/measuring_in_the_dark.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/measuring_slope.txt https://telemeter.wndsn.com/?d=4._tutorials/measuring_slope.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/measuring_star_time.txt https://telemeter.wndsn.com/?d=4._tutorials/measuring_star_time.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/obliquity_arc.txt https://telemeter.wndsn.com/?d=4._tutorials/obliquity_arc.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/acrylic_instrument_cleaning.txt https://telemeter.wndsn.com/?d=4._tutorials/acrylic_instrument_cleaning.txt Mon, 31 Dec 1979 23:00:00 +0000 https://telemeter.wndsn.com/?d=4._tutorials/latitude_via_compass.txt https://telemeter.wndsn.com/?d=4._tutorials/latitude_via_compass.txt Mon, 31 Dec 1979 23:00:00 +0000