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Letters from PMG etc to 7AA/7DX undated handwritten list of Experimental Stations Tasmania 7AA to 7BO presumably mostly listeners and predating amateur examinations 23/10/20 Dept of the Navy re inquiry concerning erection of small Wireless Installation - not exceeding 250 metres 12/11/20 PMG Dept Radio Service (was Department of the Navy, R.A.N. Radio Service) please apply on attached form fee 2 pounds 1/12/20 PMG Dept Radio Service Two licences enclosed for signature 4/1/21 PMG Dept Radio Section Your copy of licence enclosed 29/8/21 PMG Dept Circular re irregular use of Wireless apparatus 13/10/21 PMG Dept Experimental licence no 336 due on 30/11/21 24/10/21 PMG Dept Radio Section receipt enclosed 10/10/22 Prime Minister's Dept., Wireless Branch call sign 7AA supersedes T336 14/12/22 PM's Dept Wireless Branch receipt enclosed 30/10/23 PMG appreciation of work as Honorary Radio Inspector 30/11/23 PMG Dept, Telegraphs and Wireless Branch please sign enclosed licences and return duplicate together with old licence 20/12/23 PMG Dept Wireless Branch approval given to use circuit shown in letter of 4/12/23 25/9/24 PMG Dept Hobart approval to publicise the Commonwealth Loan 5/12/24 PMG Dept W Br licence enclosed 1/5/25 AOCP William Trevor Watkins 8/5/25 envelope PMG Telegraphs and Wireless Branch "Licence 7DX" 28/7/25 PMG W Br approval to use 20-36 metres until 30/11/25 Call sign now 7DX 13/10/25 PMG W Br amateur bands now 125-250, 85-95, 32-37, 21-23 and 8-10 metres 3/12/25 PMG W Br fee not due until 9/5/26 1 pound refunded 1/5/26 PMG W Br licence due 1 pound 1/6/26 PMG W Br licence enclosed 23/6/26 PMG W Br permission to use 100W for 6 months 8-10, 21-23 32-37, 85-95 metres until 30/9/26 when to be reconsidered 7/4/27 handwritten AOCP Exam (Confidential) 17/5/27 PMG Hobart 6WF on 1250 and 100 metres - please report 24/6/27 PMG W Br licence due 12/7/27 PMG Hobart 2YA Wellington opens 16/7/27 on 420M please report 22/8/27 PMG W Br licence enclosed 8/9/27 PMG Hobart Rugby on long and short wave 22 & 37M pse report? 21/9/27 PMG W Br permission to use 100W on 23 and 33M for 6 months 3/5/28 PMG Hobart 3LO testing on 32M - please report 9/5/28 PMG Hobart thanks 3LO report 8/12/28 PMG New Regulations effective from 31/12/28 60,000Kc(5M)- 56,000(5.35M), 30,000(10M)-28,000Kc(10.7M), 14,400Kc(20.8M)- 14,000(21.4M), 7,300Kc(41M)-7,000Kc(42.8M), 1,990Kc(150.8M)- 1,715Kc(175M), 1,715Kc(175M)-1,200Kc(250M) messages relating to experiments may be exchanged frequency(wave)meters required VK prefix to be used 10/12/28 PMG Hobart P.C.G.G. form enclosed ??? 10/1/29 PMG 4000-3500Kc(75-85M) approved until 30/6/29 5/4/29 telegram ex 3RJ telegraph lines dislocated please help 24/4/29 PMG Thanks help [Launceston floods?] 30/5/29 PMG Hobart Southern Cross VMZAB testing please report 10/6/29 PMG Hobart thanks Southern Cross report 17/7/29 PMG Hobart L 1.11.3 enclosed for flood telegraph work 13/6/30 PMG W Br WIA indicates amateurs prepared help in emergencies please fill in questionnaire [not done!] 22/7/30 PMG W Br 4000-3500 & 1715-1200 OK until 31/1/31 no more 250M during broadcasting hours 15/7/31 PMG Hobart regret illness licence not yet due To Mrs Watkins 26/8/31 PMG Hobart Deputy Director regret death 26/8/31 PMG Hobart Deputy Radio Inspector regrets 7/9/31 PMG Hobart Malone, Chief Inspector (wireless) conveys regrets undated two copies of Experimental Wireless Stations General Information Regarding Operation and Conditions of Issue of Licences [includes freqs as 8/12/28 and 10/1/29]