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SpudmanWP

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Viewing 15 posts - 361 through 375 (of 4,849 total)
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  • in reply to: 2018 F-35 News and Discussion #2140851
    SpudmanWP
    Participant

    Let me quote a much better source than foxnews

    Foxnews was quoting Air Force Major Gen. Victor E. Renuart Jr.. So yeah, I’ll go with that.

    btw, if you are going to link to a 1.5 hr long youtube vid, please specify a timeframe that backs up your claim as nobody is going to watch it otherwise.

    in reply to: 2018 F-35 News and Discussion #2140889
    SpudmanWP
    Participant

    ECCM upgrades, in there. GPS based INS, in there. Burn-through jamming the closer you get, known fact in any jamming environment with any system.

    What did I say that is not backed up by program docs?

    I am not saying that it is perfect, just that it is in a constate state of upgrades (unlike others like the Meteor).

    https://i.imgur.com/mtux6zB.jpg

    There are also intra-block upgrades that are seen in the budget.

    Funding in FY 2017 through FY 2023 supports Navy unique Test & Evaluation for Navy fielding of the AIM-120C7 and AIM-120D Electronic Protection Improvement Program (EPIP) capability via SIP.

    ..

    Title: System Improvement Program (SIP) Efforts
    Articles:
    Description: Continuation of System Improvement Program (SIP)/Technical Maturity and Risk Reduction (TMRR) efforts for the AMRAAM weapon system. These include systems engineering, program management, missile software and/or hardware upgrades to increase capability, survivability, lethality, as well as aircraft Operational Flight Profile updates on a recurring basis. EPIP Advanced Tape 1 and Tape 2 capability improvements on the C7 missile variant will be incorporated into AIM-120D SIP-2 and 3 software updates.
    http://www.dtic.mil/descriptivesum/Y2019/Navy/stamped/U_0207163N_7_PB_2019.pdf

    As you can see below, SIP improvements come to the program almost yearly.

    https://i.imgur.com/rnKJmtu.png

    As far as GPS goes, nobody knows for sure what caused that drone to do a belly-flop in the Iranian desert. What can be proved, however, is that during the Iraq war US forces used JDAMs to target Russian GPS jammers (just to make a point on how ineffective they were).

    Air Force Major Gen. Victor E. Renuart Jr. said Tuesday in a press briefing at U.S. Central Command in Camp As Sayliyah, Qatar, that six GPS jammers “provided by another nation” were taken out of commission by U.S. forces.

    “We destroyed one of the GPS jammers with a GPS weapon,” Renuart said.

    http://www.foxnews.com/story/2003/03/25/military-wipes-out-iraqi-gps-jammers.html

    in reply to: 2018 F-35 News and Discussion #2140911
    SpudmanWP
    Participant

    The AIM-120 family is under a constant update program with a focus on ECCM. The -D’s two way datalink and GPS aided INS will also heap to guide the -120 to the target as long as any friendly fighter in the area can maintain a lock on the target. This should help get the -120 close enough to “burn through” the jamming.

    in reply to: 2018 F-35 News and Discussion #2140919
    SpudmanWP
    Participant

    Remember that the jammers on Russian fighters have to literally hide a barn door’s worth of RCS. The F-35, OTOH, only has a minute RCS to try and hide.

    Even in the worst case scenario, that’s what IRST is for.. Well outside WVR.

    in reply to: 2018 F-35 News and Discussion #2140931
    SpudmanWP
    Participant

    You do know that an antenna can transmit and receive at the same time, right? Ever notice how your phone works?

    in reply to: 2018 F-35 News and Discussion #2140986
    SpudmanWP
    Participant

    The slots are printed on a common substrate and share the same ground.

    You have no way of knowing that.

    in reply to: 2018 F-35 News and Discussion #2141055
    SpudmanWP
    Participant

    Air Force bolsters F-35 ‘threat library’ to help ID Chinese J-20 and Russian PAK-50 fighters

    The Air Force is now adding new information about enemy aircraft to the F-35’s “threat library” database designed to precisely identify enemy aircraft operating in different high-risk areas around the globe – such as a Chinese J-20 stealth fighter or Russian T-50 PAK FA 5th Gen fighter, service leaders said.

    More at the jump

    http://www.foxnews.com/tech/2018/06/20/air-force-bolsters-f-35-threat-library-to-help-id-chinese-j-20-russian-pak-50-fighters.html

    in reply to: 2018 F-35 News and Discussion #2141087
    SpudmanWP
    Participant

    You cannot interleave anything

    Yet it somehow manages to get it done.

    in reply to: 2018 F-35 News and Discussion #2141102
    SpudmanWP
    Participant

    Interleave, look it up.

    in reply to: Future of Belgian Air Component #2141105
    SpudmanWP
    Participant

    You seemed to forget that the only reason Airbus lost was that they protested the first decision (for Boeing) which resulted in the second contest (for them). However, the second contest was not run according to the rules, which is what Boeing protested which lead to a proper third contest, which went for the original winner, Boeing.

    in reply to: 2018 F-35 News and Discussion #2141115
    SpudmanWP
    Participant

    You can’t use the same antenna for reception and emission in an EW suite. When you transmit, you’re deaf. That’s ok in a radar where you schedule RX & TX, in a jammer you need to be able to emit all the time.

    Since the APG-81 can jam and still function as a radar there must be a way to interleave their functionality. As far as the -239 goes, if it is active then the receive and transmit elements could also be separate if it did not use the same interleave process as the APG-81.

    in reply to: Future of Belgian Air Component #2141132
    SpudmanWP
    Participant

    I’m sure US RFPs say the same thing yet there are laws that govern these types of programs which is why we have a process in the US where losers can protest if they think something violated one of these laws. Now, whether Belgium has these same kinds of protections against graft, bribes, etc is another matter.

    in reply to: 2018 F-35 News and Discussion #2141227
    SpudmanWP
    Participant

    This one?

    https://i.imgur.com/QrU73RA.png

    in reply to: Future of Belgian Air Component #2141374
    SpudmanWP
    Participant

    So… The check cleared the bank I see. :stupid:

    in reply to: 2018 F-35 News and Discussion #2141489
    SpudmanWP
    Participant

    The MADL transceivers are mounted on the central core of the body, not the wings.

    This is what one looks like. Search a good hires image of the F-35 for these.

    [ATTACH=CONFIG]261080[/ATTACH]

    If you just want the pics, check here

    http://www.f-16.net/forum/viewtopic.php?p=371234#p371234

Viewing 15 posts - 361 through 375 (of 4,849 total)