Four-way electronic switch for tracking balloon borne transmitter using sequential lobe switching

The tracking of meteorological balloons using dipole matrix array antenna by sequential lobe switching with the help of a motor driven mechanical UHF phasing switch had been in operational use in our national upper air network from last 25 years. A solid state four-way electronic switch at 400 MHz using high conductance-high speed switching diodes has been designed to replace the aged motor driven mechanical phasing switch. Microstripline technique has been used in designing UHF switch to achieve proper impedance, matching, routing and addition of UHF signals received from the four antenna bays. For sequential switching of antenna array and synchronisation of data reception and display system the intelligence is generated by a compact logic in-built in the phasing switch. Unlike, mechanical switch, the present system has no switching noise and has low insertion loss (2 dB), thus improving the data acquisition capability of ground reception system. The design of switch is modular, light weight and highly rugged to suit all types of environmental conditions.

Indagare le recenti migrazioni trans-mediterranee. Metodi e fonti di ricerca a partire dal contesto dell’accoglienza in Sardegna

Understanding the migration phenomenon requires an in-depth analysis of different kind of sources, oral testimonies, and multiple perspectives. The research has focused on international trans-mediterranean migrations in Sardinia, on the organisation and the perception of the reception system and its consequences on the relation between migrant citizens and local communities. The paper shows the different methodological approaches used during the research to analyse the logistic and administration of the reception system and their implications on the territory in its complex aspects.

Teaching Electromagnetism through a Transmission and Reception System of Electromagnetic Waves

The learning of phenomena related to electromagnetic waves develops in an evident way when students are stimulated significantly and, one of the possible ways are contextualized experimental practices. In this way, a system was developed that allows the sending and reception of electromagnetic waves, which can be provided by a signal generator or by a transmitting radio. For the implementation of the system, two Yagi-Uda antennas were built, intended for the transmission and reception of signals; for the emission of signals a low-power transmitter radio and for the measurement of the intensity of the received signals, a signal intensity meter was constructed from a multimeter in which a circuit was added that converts the signals received into direct current proportional to their intensity. The system was used in the physics discipline of high school, where it was observed that using this system, the students presented a better understanding of the phenomena related to electromagnetic waves.

COVID-19 Impact in the Italian Reception System for Migrants during the Nationwide Lockdown: A National Observational Study

From the beginning of the COVID-19 pandemic, attention was raised to protect vulnerable populations, including migrants and refugees (M&R), with the claim to leave no one behind in the pandemic response. In particular, concern was expressed in M&R’s reception centres since several COVID-19 outbreaks had been observed in Europe. Our study aimed to evaluate the impact of COVID-19 in the Italian reception system in the first pandemic wave in terms of incidence and health outcomes. A national survey focusing on the lockdown period of early 2020 was performed among reception centre managers. The survey achieved reaching around 70% of reception facilities and hosts. A national cumulative incidence of 400 positive cases per 100,000 and a north–south geographical gradient were observed. Sixty-eight facilities out of the 5038 participating in the survey reported confirmed cases and few COVID-19 clusters were detected especially in accommodations with the highest facility saturation index. Positive migrants were hospitalised in 25.9% of cases and no COVID-19 related deaths were observed. The study highlighted a cumulative incidence of cases and a geographical distribution similar to that of the general resident population, showing a global COVID-19 resilience in the Italian reception system in the period of observation, well beyond the expectations.

PROPUESTA DE LA IMPLEMENTACION DE UN SISTEMA DE CONTROL DE INVENTARIO DE MATERIAL DE CURACION DE LA CENTRAL DE EQUIPOS Y ESTERILIZACION DEL HOSPITAL COMUNITARIO DE HOPELCHEN, CAMPECHE

The present work proposes a system of assortment of healing material in the Central Equipment and Sterilization of the Community Hospital of Hopelchen, Campeche starting with the use of input parameters (demand and costs), the analysis to determine how much and when to request consumption material. As well as assess the orders based on your weekly demand. This will be reflected in the improvement of the delivery-reception system, which impacts directly in all areas of the Hospital, thus avoiding serious problems such as shortages, ant theft, and reduction of expenses for excessive and untimely purchases, Expired products and shrinkage, among others. Likewise, the training of personnel in charge of the Central Equipment and Sterilization is considered. The aforementioned, will lead to a solution to a major problem of an economic and public nature, which is to avoid transferring the users belonging to this hospital to the General Hospital of the City of Campeche, for not having the necessary supplies in time and shape. The proposal is necessary, since as a hospital our reason for being is to provide health and well-being to our users, who demand good service and that this is provided with quality and warmth.

Asylum Seekers Excluded from the Reception System in the COVID-19 Emergency Expulsions, Restrictions, Administrative Extensions and Access to the ʻSurfacingʼ Procedure

This contribution analyses the main consequences of the emergency regulations caused by the pandemic crisis by COVID-19 on non-EU citizens and, in particular, on asylum seekers; from health risks to movement restrictions, from difficulties in accessing administrative procedures to the critical issues of the regulations on the emergence of irregular work referred to in Law Decree 34/2020, as an emergency and ineffective response to the closure of the borders, within the framework of the current Italian reception system, generally without long-term planning and with access preclusions for homeless, ‘sur place’ or ‘dublinati’ asylum seekers.

Stuck and Exploited Refugees and Asylum Seekers in Italy Between Exclusion, Discrimination and Struggles

This volume analyses exclusion processes, segregation dynamics and the forms of discrimination of refugees and asylum seekers in Italy, where the reception system is marked by opaqueness and arbitrariness and is becoming increasingly similar to the model of “camps”. The numerous vibrant contributions present a fully-fledged system of inferiorization, characterised by labour exploitation, housing discomfort, meagre rights and control strategies, exacerbated by the COVID-19 pandemic, which has led to a sharp worsening of the health, work, housing and administrative conditions. A framework that has found opposition in the daily resistance and in the struggles of asylum seekers.

The Capability of ‘Models’ to Withstand Change The Bologna Area in the Wake of Law 132/2018

This essay aims to reflect about the impact of the recent Italian Law 132/2018 and its effects on the reception policies for asylum seekers in the area of the Metropolitan City of Bologna. Starting to the fact that the system of developed in Bologna is considered a model of excellence, this contribution aims to examine its ability to deal the erosion of rights for asylum seekers provided by recent legislation. Will the integrated territorial system of reception and services react to the restrictions in access and protection imposed by Law 132/2018? The contribution is intended to give back the evolutions of the territorial system, trying to bring out the ambiguities and the founding causes of the criticalities that have become structural. Is it appropriate to speak of a model? If so, with what risks arising from the bureaucratic action that characterises the system at the apical level? A last paragraph will also be dedicated to the effects of the COVID-19 pandemic on the territorial reception system, having affected the dynamics exposed in the essay.

Stuck and Exploited Refugees and Asylum Seekers in Italy between Exclusion, Discrimination and Struggles

Refugees and asylum seekers in Italy are ‘stuck’ because they often end up caught in the legal and social limbo of the reception system. The effects of the pandemic and lockdown measures to avoid transmission have stacked on top of these conditions. This scenario, along with the Italian policy field increases the vulnerabilisation of refugees and asylum seekers for their labour exploitation, but also create a space for media struggle, where political forces and social entrepreneurs clash and manipulate the issue of “asylum seekers”. This introductory chapter analyses these aspects, introducing the thematic lines of the volume and presenting its contribution.

Italy’s Reception System for Asylum Seekers and Refugees A System with Many Shadows and Little Light

Since 2011 the increasing arrivals of asylum seekers forced the Italian State to organise a wider and more widespread reception system for refugees and asylum seekers. This paper aims to highlight some of the shadows and few lights that characterize this system, showing its social effects on the population hosted. The analysis proposed is based on the study of official documents, laws and statistics produced by Italian state, interviews with some migrants that lived in reception centres and the participation of the author in the campaign ‘LasciateCIEntrare (Let us in)’ as an activist. After the analysis, some suggestions are proposed about possible policies able to overcome this reception system, also through a radical change in the Italian housing policy oriented to guarantee housing access as a universal social right.