T50-2코어로 만든 4:1안테나

<p style="text-align: left;">잡동사니를 담아놓은 박스를 뒤지다보니 고장난 QCX큐알피리그가 보입니다. 여기 기판에 붙어있는 T50-2코어를 떼내어 극소형 4:1바룬 제작을 시도해 봅니다. 0.8밀리미터 에나멜코팅선을 10회 감고 낮땜해 봅니다. 하우징 파이프는 내경 16mm. M형 커넥터와 아세탈봉, 아이볼트 등을 가공해 약 1시간에 걸쳐 완성합니다. <br>방안레서 10미터 와이어를 대충 쳐놓고 튜닝하니 제법 잘되네요. <br><br>일요일 아침.<br>장비를 챙겨 한강변으로 가서 설치합니다. 급전부쪽 지상고가 좀 더 높으면 좋겠지만 차량 뒷문의 안테나 급전부 브라켓에 바룬을 설치하고 엘리멘트는 조명기둥 약 4미터 높이에 매달아 봅니다. <br>T1으로 튜닝해서 온에어를 시도해 봅니다. 7메가는 공간상태가 영 아닙니다. DS1STV님과 콜사인만 주고받다가 자동으로 사라져 버렸고, 그이후 다른국들과 교신은 이루어지지 않았습니다. 10메가 14메가 18메가 21메가까지 넘나들며 약 11국 교신했습니다. 21메가에서는 일본국 2국과 SSB교신을 했고, 양호한 시그널 레포트를 받았습니다. 14메가에서는 러시아국과도 컨택이 됩니다. <br>전신에서도 양호한 레포트로 교신성공 합니다. 손톱만한 코어가 큐알피운용에 재미를 더해줄것 같습니다. </p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1O1kr/158acf28f7d79f9e93533136ac9029b66b19fca6" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1O1kr/158acf28f7d79f9e93533136ac9029b66b19fca6" data-origin-width="2560" data-origin-height="1216"></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1O1kr/d4df8c6a41874c702001379b93774b6715174554" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1O1kr/d4df8c6a41874c702001379b93774b6715174554" data-origin-width="2560" data-origin-height="1216"></div><div class="figure-img" 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