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Post by oldpop2000 on Jan 6, 2019 0:11:22 GMT -6
Considering the RAF first deployed chaff to (very successfully) jam German radars on a bombing raid on Hamburg in 1943, I'm wondering why that wasn't used on raids by, or against, a carrier task force. Although perhaps the fact that attacks by or against carriers usually took place in daylight largely negated the usefulness of jamming radar
I'm fairly sure I've read of the Japanese using chaff or similar late-war when attacking Allied forces to confuse air warning radar - I can try and dig up the reference if that'd be helpful? Document.rtf (933.05 KB) This might help you. I am looking for ATIG ( Air technical Intelligence Report Group) Report No. 153 Here is the report where the above piece comes from - web.archive.org/web/20141022174845/http://www.fischer-tropsch.org/primary_documents/gvt_reports/USNAVY/USNTMJ%20Reports/USNTMJ-200B-0291-0310%20Report%20E-07.pdf
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Post by corsair on Jan 6, 2019 1:11:40 GMT -6
Considering the RAF first deployed chaff to (very successfully) jam German radars on a bombing raid on Hamburg in 1943, I'm wondering why that wasn't used on raids by, or against, a carrier task force. Although perhaps the fact that attacks by or against carriers usually took place in daylight largely negated the usefulness of jamming radar
I'm fairly sure I've read of the Japanese using chaff or similar late-war when attacking Allied forces to confuse air warning radar - I can try and dig up the reference if that'd be helpful?
If you can find it, it would be interesting to read. I've never heard anything about that sort of ECM going on in the Pacific theatre, though admittedly I never looked into it.
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Post by axe99 on Jan 6, 2019 17:25:07 GMT -6
I'm fairly sure I've read of the Japanese using chaff or similar late-war when attacking Allied forces to confuse air warning radar - I can try and dig up the reference if that'd be helpful?
If you can find it, it would be interesting to read. I've never heard anything about that sort of ECM going on in the Pacific theatre, though admittedly I never looked into it.
Oldpop has you covered (excellent work oldpop2000, and thanks I'd only read it in a secondary source, that report is tops) - I'd recommend the first link for a quick look, and the second for a broader perspective on Japanese countermeasures.
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Post by oldpop2000 on Jan 6, 2019 17:33:09 GMT -6
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Post by oldpop2000 on Jan 6, 2019 17:50:09 GMT -6
The Japanese taught their new radar operators how to detect the difference between chaff and a real target by using balloons to drop chaff(window or rope) and show the operators the difference. There is a difference, I've seen it. In the first months of 1944 the Japanese were familiar with radar by this time and this is when they began to use chaff to support their attacks. Basically the idea is to have one aircraft leading the others, dropping large amounts of chaff, covering the other aircraft following. SAC used to do this to us during SNOWTIME missions coming down from Elmendorf AFB. After the mission, there would be some of the chaff all over the site. apps.dtic.mil/dtic/tr/fulltext/u2/354894.pdf
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