Instead of posting look the formula up in your study guide. Learn how to
find your information in the guides and Tec manuals first. Go out and pick
up a copy of the ARRL Handbook and learn how to use it. It has the basic
formulas in it and how to put them to practical use. I had to question how
you got your license also not knowing that formula. I will give you 1 piece
of advice. When you are working with metric DON'T Convert just keep it all
metric.

"Moody1951" wrote in message
...
Roger, you're right. I am stupid. Thank you for so kindly for pointing
that
out. We all need more "Elmers" like you.

The US tests are so easy that I can see the extra class people not knowing
the length of a 1/2 wave for 40 meters. I am only licensed Basic in Canada
and just for fun I did the extra class exam on the QRZ web site. Scored in
the mid 70% range with no studding and I am not the brightest light-bulb in
the tree. Especially when it comes to math.

"S" wrote in message
et...
Ok lets start this over again

Hi Moody,

The ansewr to your question, if you intend to use it on the upper portion
of
the band (tuned to 146Mhz) would be 48.12 inches.

Aside from your asking antenna question here, also check out the ARRL
Handbook, as you will find the answers to simple questions, others get
annoyed at LOL

also visit the http://www.qsl.net/w4sat/antenna.htm website.

As far as the point you expressed Bob, I agree with you somewhat. Not all
Techs dont know anything. I have spoken to many Advanced/Extra that cant
figure out the length of a dipole for 40m, or how to program the memory in
the 2m radio. Even go as far as "you are not on frequency, and you dont
need
to say over on a repeater". Now it makes me made when, me being a Tech
needs
to answer these questions

Take in to the account of why many join the ham ranks. Not all are
technical
minded people, or not yet atleast

73

Steve KC2GOG


"Moody1951" wrote in message
...
Please help me out with the math. What is the length of a 5/8s
wavelength
2
meter antenna? I've got something that might be able to be cut to the
freq.

Thanks

The US tests are so easy that I can see the extra class people not knowing
the length of a 1/2 wave for 40 meters. I am only licensed Basic in Canada
and just for fun I did the extra class exam on the QRZ web site. Scored in
the mid 70% range with no studding and I am not the brightest light-bulb in
the tree. Especially when it comes to math.

"S" wrote in message
et...
Ok lets start this over again

Hi Moody,

The ansewr to your question, if you intend to use it on the upper portion
of
the band (tuned to 146Mhz) would be 48.12 inches.

Aside from your asking antenna question here, also check out the ARRL
Handbook, as you will find the answers to simple questions, others get
annoyed at LOL

also visit the http://www.qsl.net/w4sat/antenna.htm website.

As far as the point you expressed Bob, I agree with you somewhat. Not all
Techs dont know anything. I have spoken to many Advanced/Extra that cant
figure out the length of a dipole for 40m, or how to program the memory in
the 2m radio. Even go as far as "you are not on frequency, and you dont
need
to say over on a repeater". Now it makes me made when, me being a Tech
needs
to answer these questions

Take in to the account of why many join the ham ranks. Not all are
technical
minded people, or not yet atleast

73

Steve KC2GOG


"Moody1951" wrote in message
...
Please help me out with the math. What is the length of a 5/8s
wavelength
2
meter antenna? I've got something that might be able to be cut to the
freq.

Thanks

"Evan Platt" wrote in message
...
On Tue, 6 Apr 2004 09:27:58 +0200, "Roger Conroy"
wrote:

Now I have a few questions...

How the ^%$#(*&$ do you get to even own a 2m radio without knowing how to
do
this ELEMENTARY calculation? Do you have a licence? Have you learnt
absolutely nothing? This formula is the first one in the book together
with
Ohm's Law!

Perhaps he took the test over a year ago, has only been using a HT,
and is now wanting to get into mobile use?

Let me ask you a few questions:

How far in advance of a turn are you required to use your turn signal?

What is the maximum distance you may enter a bike lane prior to making
a turn?

You may use your hi beams if a car coming towards you is more than
____ feet away, or if a car is in front of you in the same direction
as you, more than _____ feet away.

Gee, you don't know? How the &*^#*$@ did you get your drivers license?

Get the point?

Evan

To reply, remove TheObvious from my e-mail address.

OK I admit I did come on a bit too strong, I'm sorry.

However, your analogy with drivers licence test questions is a bit off
base...
Not knowing how to convert between frequency and wavelength is much more
fundamental than knowing the distance to dip your lights.
Its rather like being uncertain about the difference between a steering
wheel and a spare wheel.

Anyway this is the last word I'm saying on this topic.

73
Roger ZR3RC

"Evan Platt" wrote in message
...
On Tue, 6 Apr 2004 09:27:58 +0200, "Roger Conroy"
wrote:

Now I have a few questions...

How the ^%$#(*&$ do you get to even own a 2m radio without knowing how to
do
this ELEMENTARY calculation? Do you have a licence? Have you learnt
absolutely nothing? This formula is the first one in the book together
with
Ohm's Law!

Perhaps he took the test over a year ago, has only been using a HT,
and is now wanting to get into mobile use?

Let me ask you a few questions:

How far in advance of a turn are you required to use your turn signal?

What is the maximum distance you may enter a bike lane prior to making
a turn?

You may use your hi beams if a car coming towards you is more than
____ feet away, or if a car is in front of you in the same direction
as you, more than _____ feet away.

Gee, you don't know? How the &*^#*$@ did you get your drivers license?

Get the point?

Evan

To reply, remove TheObvious from my e-mail address.

OK I admit I did come on a bit too strong, I'm sorry.

However, your analogy with drivers licence test questions is a bit off
base...
Not knowing how to convert between frequency and wavelength is much more
fundamental than knowing the distance to dip your lights.
Its rather like being uncertain about the difference between a steering
wheel and a spare wheel.

Anyway this is the last word I'm saying on this topic.

73
Roger ZR3RC

On Thu, 8 Apr 2004 09:39:22 +0200, "Roger Conroy"
wrote:

However, your analogy with drivers licence test questions is a bit off
base...
Not knowing how to convert between frequency and wavelength is much more
fundamental than knowing the distance to dip your lights.
Its rather like being uncertain about the difference between a steering
wheel and a spare wheel.

Well, to you - yes. To me? No. My operations are primarily HT. I have
a few installed mobiles. They work fine with the antennas I've bought
from friends, so I know they're tuned for the frequency I needed - I
went to my friend, told them I need a antenna for xxx mhz, and he gave
me an antenna. But now let's say I have an antenna that I know is WAY
too long for the frequency I want it on - i.e. I'm taking a 42 mhz
antenna I want to cut to work on 220. For the life of me, I couldn't
recall the length of the antenna.

So, for someone who 99% of the time uses their HT, and then decides to
go mobile, the length of a mobile antenna may be akin to how many feet
in front of a intersection they can turn. Prior to this thread, if
someone would have asked me on the street the formula for cutting an
antenna, I would have guessed somewhere around the right number, but
nowhere near exact.

Evan

--
To reply, remove TheObvious from my e-mail address.

On Thu, 8 Apr 2004 09:39:22 +0200, "Roger Conroy"
wrote:

However, your analogy with drivers licence test questions is a bit off
base...
Not knowing how to convert between frequency and wavelength is much more
fundamental than knowing the distance to dip your lights.
Its rather like being uncertain about the difference between a steering
wheel and a spare wheel.

Well, to you - yes. To me? No. My operations are primarily HT. I have
a few installed mobiles. They work fine with the antennas I've bought
from friends, so I know they're tuned for the frequency I needed - I
went to my friend, told them I need a antenna for xxx mhz, and he gave
me an antenna. But now let's say I have an antenna that I know is WAY
too long for the frequency I want it on - i.e. I'm taking a 42 mhz
antenna I want to cut to work on 220. For the life of me, I couldn't
recall the length of the antenna.

So, for someone who 99% of the time uses their HT, and then decides to
go mobile, the length of a mobile antenna may be akin to how many feet
in front of a intersection they can turn. Prior to this thread, if
someone would have asked me on the street the formula for cutting an
antenna, I would have guessed somewhere around the right number, but
nowhere near exact.

Evan

--
To reply, remove TheObvious from my e-mail address.

Moody1951 wrote:
Please help me out with the math. What is the length of a 5/8s wavelength 2
meter antenna? I've got something that might be able to be cut to the freq.

Thanks

Too bad this thread degenerated into a bashing contest.

The length of the antenna is the least of your problems.
You need to figure out how to match it so it will take power.
A web search should turn up some options along with the proper length.
"J-pole" is a place to start. Simple and effective antenna. There are
also loading coil solutions if you're really stuck on 5/8 wave. If you
really want a "good" antenna, search on "coaxial collinear".
mike

--
Return address is VALID.
Bunch of stuff For Sale and Wanted at the link below.
Toshiba & Compaq LiIon Batteries, Test Equipment
Honda CB-125S $800 in PDX
Yaesu FTV901R Transverter, 30pS pulser
Tektronix Concept Books, spot welding head...
http://www.geocities.com/SiliconValley/Monitor/4710/

Moody1951 wrote:
Please help me out with the math. What is the length of a 5/8s wavelength 2
meter antenna? I've got something that might be able to be cut to the freq.

Thanks

Too bad this thread degenerated into a bashing contest.

The length of the antenna is the least of your problems.
You need to figure out how to match it so it will take power.
A web search should turn up some options along with the proper length.
"J-pole" is a place to start. Simple and effective antenna. There are
also loading coil solutions if you're really stuck on 5/8 wave. If you
really want a "good" antenna, search on "coaxial collinear".
mike

--
Return address is VALID.
Bunch of stuff For Sale and Wanted at the link below.
Toshiba & Compaq LiIon Batteries, Test Equipment
Honda CB-125S $800 in PDX
Yaesu FTV901R Transverter, 30pS pulser
Tektronix Concept Books, spot welding head...
http://www.geocities.com/SiliconValley/Monitor/4710/

Go to http://www.hamradio.com/ .
"Quick Search by MODEL #" for SF-2. You will see "1) Manufacturer:
HUSTLER" for $14.95.
Click on "Add to my HRO Cart" and go from there.
Mike's right. For $15 it 'taint worth the trouble to build.
Regards, K3DWW

"mike" wrote in message ...
Moody1951 wrote:
Please help me out with the math. .....

Too bad this thread degenerated into a bashing contest.

The length of the antenna is the least of your problems.
You need to figure out how to match it .....