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Radiowave propagation

Results:31 total items.

Contributions �[�Source:�WP 3L�]���
�	Number�	Title	Source	AI/Question	Date
�	[ 107 ] � (Rev.1)�	Draft revision of Recommendation ITU-R P.313-10 - Exchange of information for short-term forecasts and transmission of ionospheric disturbance warnings � �	WP 3L �	213-2/3 �	2011-10-26
�	[ 93 ] � �	Executive Report to Study Group 3 - Ionospheric propagation and radio noise � �	Chairman, WP 3L �	�	2011-10-26
�	[ 92 ] � (Rev.1)�	Draft revision of Recommendation ITU-R P.531-10 - Ionospheric propagation data and prediction methods required for the design of satellite services and systems � �	WP 3L �	218-4/3 �	2011-10-26
�	[ 91 ] � (Rev.1)�	Draft revision of Question ITU-R 213-2/3 - The short-term forecasting of operational parameters for trans-ionospheric radiocommunication and aeronautical radionavigation services � �	WP 3L �	�	2011-10-26
�	[ 90 ] � (Rev.1)�	Draft revision of Question ITU-R 225-5/3 - The prediction of propagation factors affecting systems at LF and MF including the use of digital modulation techniques � �	WP 3L �	�	2011-10-26
�	[ 89 ] � (Rev.1)�	Draft revision of Question ITU-R 230-1/3 - Prediction methods and models applicable to power line telecommunications systems � �	WP 3L �	�	2011-10-26
�	[ 88 ] � (Rev.1)�	Draft revision of Question ITU-R 229-1/3 - Prediction of sky-wave propagation conditions, signal intensity, circuit performance and reliability at frequencies between about 1.6 and 30 MHz, in particular for systems using digital modulation techniques � �	WP 3L �	�	2011-10-26
�	[ 87 ] � (Rev.1)�	Draft revision of Question ITU-R 222-2/3 - Measurements and data banks of ionospheric characteristics and radio noise � �	WP 3L �	�	2011-10-26
�	[ 86 ] � (Rev.1)�	Draft revision of Question ITU-R 226-3/3 - Ionospheric and tropospheric characteristics along satellite-to-satellite paths � �	WP 3L �	�	2011-10-26
�	[ 85 ] � (Rev.1)�	Draft revision of Question ITU-R 221-1/3 - Propagation by way of sporadic E and other ionization � �	WP 3L �	�	2011-10-26
�	[ 84 ] � (Rev.1)�	Draft revision of Question ITU-R 218-4/3 - Ionospheric influences on satellite systems � �	WP 3L �	�	2011-10-26
�	[ 83 ] � (Rev.1)�	Draft revision of Question ITU-R 214-3/3 - Radio noise � �	WP 3L �	�	2011-10-26
�	[ 82 ] � (Rev.1)�	Draft revision of Recommendation ITU-R P.1239-2 - ITU-R Reference Ionospheric Characteristics � �	WP 3L �	�	2011-10-26
�	[ 81 ] � (Rev.1)�	Draft revision of Recommendation ITU-R P.533-10 - Method for the prediction of the performance of HF circuits � �	WP 3L �	�	2011-10-26
�	[ 80 ] � (Rev.1)�	Draft revision of Recommendation ITU-R P.832-2 - World atlas of ground conductivities � �	WP 3L �	�	2011-10-26
�	[ 79 ] � (Rev.1)�	Draft revision of Recommendation ITU-R P.534-4 - Method for calculating sporadic-E field strength � �	WP 3L �	�	2011-10-26
�	[ 78 ] � (Rev.1)�	Draft revision of Recommendation ITU-R P.684-5 - Prediction of field strength at frequencies below about 150 kHz � �	WP 3L �	�	2011-10-26
�	[ 44 ] � (Rev.1)�	Draft revision of Recommendation ITU-R P.1321-2 - Propagation factors affecting systems using digital modulation techniques at LF and MF (Question ITU-R 225/3) � �	WP 3L �	225/3 �	2009-06-10
�	[ 40 ] � (Rev.1)�	Draft revision of Recommendation ITU-R P.684-4 - Prediction of field strength at frequencies below about 150 kHz (Question 225-5/3) � �	WP 3L �	225/3 �	2009-06-10
�	[ 39 ] � �	Draft revision of Question ITU-R 230/3 - Prediction methods and models applicable to power line telecommunications systems � �	WP 3L �	�	2009-06-10
�	[ 38 ] � �	Draft revision of Question ITU-R 213-1/3 - The short-term forecasting of operational parameters for ionospheric and trans-ionospheric radiocommunications and radionavigation services � �	WP 3L �	�	2009-06-10
�	[ 37 ] � �	Ionospheric propagation and radio noise - Executive Report � �	Chairman, WP 3L �	�	2009-06-10
�	[ 26 ] � �	Draft revision of Question ITU-R 222-1/3 - Measurements and data banks of ionospheric characteristics and noise � �	WP 3L �	�	2009-06-10
�	[ 25 ] � �	Draft revision of Question ITU-R 218-3/3 - Ionospheric influences on space systems � �	WP 3L �	�	2009-06-10
�	[ 24 ] � (Rev.1)�	Proposed revision to Recommendation ITU-R P.531-9 - Revision and clarification related to ionospheric scintillation effects (Question ITU-R 218/3) � �	WP 3L �	218/3 �	2009-06-10
�	[ 23 ] � (Rev.1)�	Draft revision of Recommendation ITU-R P.1239-1 - ITU-R reference ionospheric characteristics - (Question ITU-R 212/3) � �	WP 3L �	212/3 �	2009-06-10
�	[ 22 ] � �	Draft revision of Question ITU-R 229/3 - Prediction of sky-wave propagation conditions, signal intensity, circuit performance and reliability at frequencies between about 1.6 and 30 MHz, in particular for systems using digital modulation techniques � �	WP 3L �	�	2009-06-10
�	[ 21 ] � �	Draft revision of Question ITU-R 221/3 - Propagation by way of sporadic E and other ionization � �	WP 3L �	�	2009-06-10
�	[ 20 ] � (Rev.1)�	Proposed revision of Recommendation ITU-R P.372-9 - Radio noise (Question ITU-R 214/3) � �	WP 3L �	214/3 �	2009-06-10
�	[ 19 ] � �	Draft revision of Question ITU-R 212-1/3 - Ionospheric properties � �	WP 3L �	�	2009-06-10
�	[ 18 ] � (Rev.1)�	Draft revision of Recommendation ITU-R P.533-9 - Method for the prediction of the performance of HF circuits � �	WP 3L �	�	2009-06-10
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