Old 11-09-2017, 01:50 AM #1
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Default Hi From Uk.

Although I have posted here before, I forgot to add a post here, bit rude I know.
I live in Leicestershire in the UK.
I'm 59 married with 5 kids and 7 grandkids.
Retired Driver.
Hobbies are electronics (any kind) and repairing pc's/phones/tv's/powertools/or anything that breaks really, even ladies unmentionable items, but only once.
I actually come here quite often for the wealth of info on offer, and although I have'nt posted much, I do appreciate it.
There are a lot of really helpful brains here.


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Old 11-09-2017, 02:06 AM #2
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Default Re: Hi From Uk.

welcome--lots of great members from UK... enjoy!!
>(*U*)<
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Old 11-09-2017, 02:20 AM #3
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Default Re: Hi From Uk.

Welcome to the forums StuartB!

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Old 11-09-2017, 02:45 AM #4
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Default Re: Hi From Uk.

Hello and welcome to the LPF, Stuart. I hope you continue to enjoy this community you are now a member of and learn all you can from the wealth of ideas our members have.
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Old 11-09-2017, 02:50 AM #5
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Default Re: Hi From Uk.

Welcome to LPF Stuart!
Many great members here from the UK, as a matter of fact, I think you are the second one today.
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Old 11-09-2017, 02:55 AM #6
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Default Re: Hi From Uk.

Welcome --enjoy the forum--is one of the best. A great place to learn about lasers and related topic.
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Old 11-09-2017, 03:18 AM #7
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Default Re: Hi From Uk.

Thanks very much for a very warm welcome.
I've already learned a lot from here, but no doubt there is still much more.
I just hope all the new stuff going in does'nt push any of my old stuff out.

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Old 11-09-2017, 05:31 PM #8
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Default Re: Hi From Uk.

Welcome, not so far from me in Yorkshire.
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Old 11-09-2017, 05:33 PM #9
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Default Re: Hi From Uk.

Matty, 73 DE KL7FB. 144 MHz 16 X 5.2 WL Yagi Array. 2X 3CX1500A7 P-P AB2 Linear PA for EME.
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Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions.


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Calc: http://lsrtools.1apps.com/RelativeBr...&useRaleigh=on

High Current Pulse Drivers: https://tinyurl.com/ya7whuk3

Last edited by Alaskan; 11-09-2017 at 05:40 PM.
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Old 11-09-2017, 06:00 PM #10
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Default Re: Hi From Uk.

73's Alaskan!

Just looked you up on DMR-MARC, I guess you don't use it? Could have checked you on talkgroup 1 or 13 sometime.

Matt M3MCO
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Old 11-09-2017, 06:03 PM #11
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Default Re: Hi From Uk.

Not anymore, windstorm took it.
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Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions.


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Calc: http://lsrtools.1apps.com/RelativeBr...&useRaleigh=on

High Current Pulse Drivers: https://tinyurl.com/ya7whuk3
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Old 11-09-2017, 06:11 PM #12
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Default Re: Hi From Uk.

Mad, lol. Only use handhelds here as can't get permission for the the big aerials. Live at the top of a hill anyway and can get into a fair few repeaters so it's all good! Do you have any nearby?
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Old 11-09-2017, 06:14 PM #13
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Default Re: Hi From Uk.

No RF here, working on a military base in Kurdistan right now, living in a tent next to Erbil city. Well, I should say, no ham radio. I work with Ku and Ka band SATCOM terminals.
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Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions.


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Calc: http://lsrtools.1apps.com/RelativeBr...&useRaleigh=on

High Current Pulse Drivers: https://tinyurl.com/ya7whuk3
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Old 11-09-2017, 06:22 PM #14
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Default Re: Hi From Uk.

Nice mate, send me a PM sometime. No point cluttering up this forum with radio talk, unless anyone else wants to QSL and jump in with a callsign... I understand your suspicions now but trust i'm no fan of QRM. Hopefully catch you down the log on day!
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Old 11-09-2017, 06:25 PM #15
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Default Re: Hi From Uk.

No problem, and you are right, this thread derailed with RFI. 73
__________________

Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions.


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Calc: http://lsrtools.1apps.com/RelativeBr...&useRaleigh=on

High Current Pulse Drivers: https://tinyurl.com/ya7whuk3
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Old 11-09-2017, 10:04 PM #16
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Default Re: Hi From Uk.

Thanks MattyDC
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