{"title":"A new method of providing selective calling and noise-immune squelch for radio links","authors":"R. Herrman","doi":"10.1109/IRETVC1.1960.32963","DOIUrl":"https://doi.org/10.1109/IRETVC1.1960.32963","url":null,"abstract":"","PeriodicalId":263631,"journal":{"name":"IRE Transactions on Vehicular Communications","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1960-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121527778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"An antenna for 30-50 Mc service having substantial freedom from noise caused by precipitation static and corona","authors":"N. Spencer","doi":"10.1109/IRETVC1.1960.32955","DOIUrl":"https://doi.org/10.1109/IRETVC1.1960.32955","url":null,"abstract":"An antenna for service in the 30-50 Mc band is presented which affords a high degree of immunity from the noise of precipitation static and corona. Throughout this paper the noise caused by the impingement of charged particles is termed precipitation static. Corona is treated separately. A predominant feature of this design is a dielectric sheath enclosing the radiating conductor. A study of the causes of precipitation noise show it to arise principally from a spark between a charged particle of precipitation and the antenna conductor. Noise from this source is estimated to be reduced about 30 db by the dielectric sheath. Experimental apparatus is described which enables quantitative measurements to be conducted in the laboratory. A standard approach is used to minimize corona effects.","PeriodicalId":263631,"journal":{"name":"IRE Transactions on Vehicular Communications","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1960-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131453214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Radio coverage-area survey-instrumentation research","authors":"C. Sharp, R. Lacy","doi":"10.1109/IRETVC1.1960.32957","DOIUrl":"https://doi.org/10.1109/IRETVC1.1960.32957","url":null,"abstract":"The results of an experimental investigation on the problem of rapidly siting UHF and SHF radio relay type communications links in army grid networks are summarized. A requirement existed for a technique for locating suitable low loss transmission paths between fifteen foot high vehicular mounted antennas, separated at distances from one to ten miles in areas where irregular terrain obstructs propagation. Data is provided on an area survey instrumentation technique for this purpose employing radar principles.","PeriodicalId":263631,"journal":{"name":"IRE Transactions on Vehicular Communications","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1960-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134050467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Can SSB provide more usable channels in the land mobile service?","authors":"A. V. Korolenko, N. H. Shepherd","doi":"10.1109/IRETVC1.1960.32961","DOIUrl":"https://doi.org/10.1109/IRETVC1.1960.32961","url":null,"abstract":"Based on the assumptions made for system requirements and limited geographical separation of base stations, it has been shown that Sliver Band FM (SBFM± 2.5 Kc system deviation) can provide about the same degree of spectrum utilization as Single Sideband (SSB). Frequency spacing or required bandwidth is the main factor affecting spectrum utilization to be discussed. Required frequency spacing is controlled by equipment characteristics and geographic separation of stations. FM systems can be spaced closer together due to the modulation and noise characteristics of FM transmitters as compared to SSB transmitters.","PeriodicalId":263631,"journal":{"name":"IRE Transactions on Vehicular Communications","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1960-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114695239","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The past and future techniques of vehicular communications","authors":"E. W. Chapin","doi":"10.1109/IRETVC1.1960.32956","DOIUrl":"https://doi.org/10.1109/IRETVC1.1960.32956","url":null,"abstract":"","PeriodicalId":263631,"journal":{"name":"IRE Transactions on Vehicular Communications","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1960-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134377291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A new colinear antenna array","authors":"A. H. Secord, W. V. Tilston","doi":"10.1109/IRETVC1.1960.32960","DOIUrl":"https://doi.org/10.1109/IRETVC1.1960.32960","url":null,"abstract":"This paper describes the application of a phase changer which, when periodically distributed along a cylindrical conductor, controls the phase of the currents so that the radiation is concentrated in a plane perpendicular to the axis of the conductor. A theoretical analysis is made of a two-element structure, and the results are compared with those obtained by experiment. Further experimental results are given for multi-element structures.","PeriodicalId":263631,"journal":{"name":"IRE Transactions on Vehicular Communications","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1960-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115124947","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Highway alert radio","authors":"E. A. Hanysz","doi":"10.1109/IRETVC1.1960.32959","DOIUrl":"https://doi.org/10.1109/IRETVC1.1960.32959","url":null,"abstract":"A roadside-to-vehicle communications system, known as Hy-Com is proposed for bringing voice messages pertinent to driving conditions into moving vehicles. It fills the void left by visual aids which tend to lose their efficacy under conditions of darkness, inclement weather, heavy traffic and when driving at elevated speeds. Safer and more comfortable highway travel is Indicated. Also, the improvement in communications can help to increase the volume of traffic handled by existing facilities. The method proposed to transmit the message is through an amplitude-modulated magnetic induction field having a carrier frequency in the 10- 14 kc range. The use of an induction field makes it possible to control the coverage to include only that Traffic directly concerned. Interference to other services or other Hy-Com transmitters is avoided by the abruptness of the message field and thereby Permits all Hy-Coms to operate on one and the same frequency channel. The operation of Hy-Com is automatic once the ignition is turned on. It can share the audio output circuit and speaker with the standard broadcast radio in the car. The standard broadcast will be muted for the duration of the safety message and returned to normal after passing through the message field. If the radio is not on, the Hy-Com receiver will power the audio output stage so the message can be heard. Portable transmitters using ferrite rod-type antennas can be used for emergency applications. Single wire, loop antennas, buried beneath the shoulder surface, and transmitters kept in tamperproof concrete bunkers are proposed for permanent installations.","PeriodicalId":263631,"journal":{"name":"IRE Transactions on Vehicular Communications","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1960-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122276152","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cryptographic signaling applied to radio communication circuits","authors":"O. Thompson","doi":"10.1109/IRETVC1.1960.32958","DOIUrl":"https://doi.org/10.1109/IRETVC1.1960.32958","url":null,"abstract":"This paper considers the application of pre-programming to repetitious messages. After being programmed, transmission is by single-pulsed tone. The system provides more effective utilization of frequency, a high degree of security for message context, and a subscriber service much superior to that available in most present day systems. After evaluation of the system described, consideration is given to the extension of these techniques to permit a high speed, high capacity, message service simultaneously with other services on a common channel.","PeriodicalId":263631,"journal":{"name":"IRE Transactions on Vehicular Communications","volume":"164 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1960-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123102457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A transistorized receiver for 150-Mc mobile service","authors":"R. Myers","doi":"10.1109/IRETVC1.1960.32965","DOIUrl":"https://doi.org/10.1109/IRETVC1.1960.32965","url":null,"abstract":"","PeriodicalId":263631,"journal":{"name":"IRE Transactions on Vehicular Communications","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1960-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129855669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Vehicular communications in the city of Chicago government","authors":"J. M. Veggeberg","doi":"10.1109/IRETVC1.1960.32962","DOIUrl":"https://doi.org/10.1109/IRETVC1.1960.32962","url":null,"abstract":"","PeriodicalId":263631,"journal":{"name":"IRE Transactions on Vehicular Communications","volume":"125 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1960-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126720985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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