Show r I r k I ay r 1 a T 1 Morris S of the Government Radio Laboratory Has Designed and Built an Apparatus to Measure Frequencies of Stations I I I With short wave wa radio transmIssion emanating now emanating from practically every corner of the earth a tremendous in- in interest In Interest terest In this form of communication Is being predicted for this summer According to the most recent list of the worlds world's wave short stations there are approximately transmit transmit- transmitters transmitters transmitters operating on regular sChedules on wave lengths between bet 13 and meters Th The total Is expected to be almost doub doubled ed by the end of the year United States Leads IThe The United States maintains the lead In the wave short-wave stations prin prin- prin principally principally through h Its naval transmitters and the experimental stations of the wave thelow-wave low wave pioneers among the radIo manufacturers General Electric com com- company company pany A II Grebe Co the Vesting house house Electric and Manufacturing company the Radio Corporation of America together operate practically fourth one fourth of the hIgh frequency high plants Included In the list of stations on low waves are transmitters located In Germany England Java Sweden Holland Ru Russia sla France Hawaii Sa- Sa Samoa Sa Samoa a- a amoa moa Canal Zone the Pl Philippines Ja- Ja Japan Japan Ja Japan pan and aboard the ships of the United Unit Unit- United United ed States fleet scattered throughout I Ithe the world I In addition there are arc many others I operated by amateurs who have re re- received I experimental licenses to broad broad- broadcast broadcast cast within the wave low bands as assIgned assigned assigned I sIgned for that type of work Through operation I Ra Ra- Radio Radio operation co-operation of the International dio dlo Amateur union which was created last year the wave low-wave communications both In code and voice rolce are be be- being being e- e eling ling ing relayed extensively throughout the world Radio Boat Experiment Among the Interesting to be undertaken soon In wave short short transmissIon Is the radio boat to tobe tobe tobe be launched by the Grebe company and which Is expected to cover the tho Bermuda races not only for short short- wave receivers but for broadcasting by the higher wave stations The extent to which the short wave Is being used for broadcasting re-broadcasting In other parts of the world world was shown recently In the announcement by tho General Electric company that n a scheduled relay of a program for tor the annual agricultural show of the South AfrIcan Union was received clearly and transmitted re Included In n the hour two hour program was an address by Secretary of Agriculture Jardine and anda anda a concert from Schenectady |