HP 49 Astronomy Programs
The first size listed is the downloaded file size and the second size listed is the size on the calculator.
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HP 49 Astronomy Programs The first size listed is the downloaded file size and the second size listed is the size on the calculator. |
There are 21 files totaling 2358KB in this category.
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33KB/16KB
ALBW = Allocated Bandwidth. This is a program for satellite communication engineers and planners. It determines the amount of bandwidth required to accommodate a carrier signal on a satellite transponder, given the data rate, coding, and modulation methods. Version 1.1 incorporates occupied bandwidth.
Allows anyone with a telescope equipped with an equatorial mount and setting circles to point and view without any polar alignment. The need for polar alignment is eliminated by a unique system which relies on 2 guide stars.
406KB/92KB
Computes ephemeris of the sun, planets, the moon, stars, Messier objects, comets, and asteroids. Program allows all kind of coordinates, and also gives distance, magnitude, apparent diameter, phase and rising/transit/setting times. Includes version 2.13 for the 49G/49G+/50G, 1.33 for the 48S/SX and 48G/G+/GX, and full PDF documentation.
This program will replace all six volumes of the Sight Reduction Tables for Marine Navigation. Since the data in the tables is purely mathematical they never go out of date. The tables are used by knowing LHA, Latitude and Declination and they return HC and Z. Version 2.0 has been rewritten in System RPL for much better performance and a slightly better interface.
HPlanetarium is a free (GPL) planetarium for the HP 39/40/48G/49/50 in which you can move, zoom and unzoom the sky map "in real time". Equatorial/azimutal coordinates, rise/transit/set times, elongation, magnitude and diameter can be computed for main planets. You can also point a Meade telescope, and there is an ephemeris generator. Source code for the HP 49 is provided. A light version (only 24 KB) is available for the HP 48G.
JMOON2 allows you to view present, past and future positions of Jupiter's most commonly known moons (Callisto, Europa, Io, Ganymede).
245KB/82KB
Astronomy program with around 130 tools. Requires (and includes) LUPA49 for viewing information. Partially based on older astronomy programs for the 48.
29KB/1KB
A convenient overview of the latest physical and geometrical data of our planetary system in a two-page menu. Updated according to the latest data (November 2001).
Provides satellite communications link budgeting, antenna siting, and sun interference calculations for geosynchronous satellites. Generates horizon profile drawings and predicted spectrum analyzer traces. Calculates antenna parameters, and bandwidth allocations. Provides for direct conversion and calculation of decibels and carrier to noise ratios. Compatible with 48GX, 48G+, 49G, and 49G+.
A program to determine the transmit gain, receive gain, and figure of merit (G/T) of a parabolic satellite communications antenna. It uses antenna diameter, efficiency, transmit frequency, receive frequency, and receive system noise temperature as inputs. Although developed for satellite communicatiions, it should work with any parabolic antenna system.
Light version of SATCO, a geosynchronous orbit satellite communications calculator. It provides basic information to help with antenna siting and alignment. It also predicts solar conjunctions (sun interference). Version 1.3 includes satellite and city databases.
Gives a feel for what the sky will look like tonight, next week, last year, or whatever, for beginning astronomers. Includes over 650 stars from all 88 constellations, plus the highly accurate mean positions of the sun, moon, and all 9 planets. It also has zoom features for viewing smaller areas of the sky, solar eclipses, etc, and can correct for light time and parallax.
Sun and moon program. For the sun, calculates sunrise and sunset, coordinates, and sun compass. For the moon, calculates culmination coordinates, phase, and distance to the earth. System RPL and User RPL versions included.
Provides satellite antenna pointing angles with 3 decimal point accuracy. Allows accurate calibration of antenna tracking systems. Based on Intelsat Earth Station Standard (IESS) 412.