9 results for tags
antenna x
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How to build an L-Band ground station.
Instructions for setting up a receiver for L-band signals from Inmarsat. Found via https://www.rtl-sdr.com/a-review-of-the-discovery-dish-for-inmarsat-reception which links to https://community.airframes.io/t/discovery-dish-rtlsdr-blog-l-band-acars/181/2Wed Feb 12 07:49:22 2025 - permalink -- https://thebaldgeek.github.io/L-Band.html
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Fundamentals of the MiniWhip antenna, Pieter-Tjerk de Boer, PA3FWM
Found on https://www.ukraa.com/store/categories/e-field-probe/e-field-active-antenna-masthead-amplifier-and-bias-tSat Apr 13 10:21:36 2024 - permalink -
The author claims that the capacitance of a cylindrical plate is proportional to its diameter rather than its area.- https://www.pa3fwm.nl/technotes/tn07.html
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Dipole Calculator | Antenna Length Calculator
Found via rtl-sdr.com, includes adjustment factor which depends on the diameter of the conductors.Mon Jan 8 13:35:57 2024 - permalink -- https://www.omnicalculator.com/physics/dipole
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Helix antenna for L-band
All parts 3D printed from PETG material, UV resistent and water proof. Found via https://www.rtl-sdr.com/techminds-building-a-3d-printed-2-4-ghz-dual-feed-helix-for-qo-100/ and https://www.qrz.com/db/DC8PATSat Sep 23 13:45:51 2023 - permalink -
See also https://www.rtl-sdr.com/receiving-x-band-images-from-the-arktika-m1-arctic-monitoring-satellite/, https://www.rtl-sdr.com/a-comprehensive-beginners-guide-to-hrpt-weather-satellite-reception/- https://nolle.engineering/l-band-antenna/
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IdealLoop H301 - VLF Loop Receiver
The best compromise between sensitivity and portabilityMon Jun 26 11:44:11 2023 - permalink -
by Luca Feletti and Renato Romero. PCB layout by Jochen Richert.
Detailed description of a shielded magnetic loop antenna for VLF signals- http://www.vlf.it/feletti2/idealloop.html
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Reception techniques: An easy loop
Shielded loop antenna for VLF, found on http://www.n4iqt.com/easy_loop_antenna/Notes.txtFri Jun 23 18:33:28 2023 - permalink -- http://www.vlf.it/easyloop/_easyloop.htm
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Ham Radio Station 5B4AZ
Antenna analysis software NEC2 in C with GUI.Thu Jan 19 17:37:07 2017 - permalink -
NORAD sdp4/sgp4 satellite orbit modelling software in C and Pascal.- http://www.5b4az.org/
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Details • SatNOGS - Global Network of Ground Stations • Hackaday.io
Helical antenna for UHF (437 MHz).Wed Jan 4 22:45:33 2017 - permalink -- https://hackaday.io/project/1340-satnogs-global-network-of-ground-stations/log/10073-satnogs-going-helix