Re: Rules of Thumb: HF Portable Power/Antennas
EFFECTIVE RADIATED POWER
Fil W8FIL
Glyph wrote:
By
F.B. Nutter, Jr. <fbnjr@...>
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#7305
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Re: RS Whip
John,
I constructed the RS back of set antenna as seen in the files section.
I made a small wire-ring jumper for bypassing the coil and with
the bottom two sections out and the top section 2/3 rds
By
Bryan Nehl
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#7304
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MP-1 / AP-10A / antenna mounting hardware for FT817
Barry W4WB wrote:
Now you have me intrigued, Barry!
How did you mount your B&W AP-10A on the FT-817? Is there a new B&W
FT-817 mount, or did you drill out the stock one?
Is the AP-10A different from
By
KQ6XA
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#7303
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RS Whip
Whilst at local Radio Shack, I picked up a telescoping whip antenna
which extends to 72" for <$5. Thinking of adding either a BNC or PL-
259 connector to the end. With a counterpoise, it should work
By
nestoji@...
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#7302
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Re: QSLs ...
I don't know about RSBG but ARRL will not accept eQSLs for awards.
73, Fil W8FIL
miket@... wrote:
[www.debticated.com]
By
F.B. Nutter, Jr. <fbnjr@...>
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#7301
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Re: At least one MP-1 which is not so hot.
report last
report...he
good. But
The gegraphic location is going to change very little how one antenna
performs compared to another - and a with an 8' long whip antenna,
over the same ground, the
By
don@...
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#7300
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Re: Backorder misery (MP-1 & Z-11)
this
Hmm interesting enough I called yesterday for a status from AES on
order and they informed me it shipped but out of another store
location. Sure enough UPS tracking says Ill have it
By
gijoe@...
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#7299
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Re: At least one MP-1 which is not so hot.
Very true. I think Yaesu would have done us all a favour (well, maybe
not the manufacturers of expensive portable whips, but the rest of
us) if instead of putting that tempting BNC socket on the
By
g4ilo@...
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#7298
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Re: An MP-1 that is very hot
Mine is that at the frequency where the Q is highest (hence strongest
signals) the impedance is not 50 ohms. As I de-tune the antenna, the
impedance changes and appears to give a better match.
By
g4ilo@...
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#7297
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Re: At least one MP-1 which is not so hot.
Peter,
I think you make sensible points but ones which miss the point. The MP1 and
the ATX are SUPPOSED to work nder suboptimal condx when taken out and about
with a PORTABLE rig...the 817. Your
By
David Perry <david.perry3@...>
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#7296
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Re: No need to cut green wire or ream wider hole for bnc connector
Steve Howell wrote:
I agree Steve, I work in the coal industry and it was always stated that
if you wanted to see what an anvil looks like on the inside, send
By
Nick Marsh <nmar@...>
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#7294
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Re: An MP-1 that is very hot
g4ilo@... wrote:
Anyone have a theory why this happens?
Nick
WB4SQI
By
Nick Marsh <nmar@...>
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#7292
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Re: WAS-- Re: Pictures ...now, Outbacker
I was in Australia back about '94 and while in central Queensland saw a
number of vehicles that were commercial in nature. All were running some
variant of the Outbacker, mounted high on the front
By
Nick Marsh <nmar@...>
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#7291
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How do you take an MP-1 apart
Howdy All,
I bought an MP-1 at Dayton and I would like to store the
various pieces in it like I saw Vern do at the 817 gathering
but I am not sure how to take it apart. I didn't want to
By
kk5yy@...
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#7290
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Re: No need to cut green wire or ream wider hole for bnc connector
I wish I understood this reference. Let's take it to simplex and splain it
to me
( Unfortunately anvils underground have NOTHING to do with Re: [FT817] Re:
No need to cut green wire or ream wider
By
Pres Waterman <pres@...>
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#7295
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Re: Powerpole Counterpoise
Never mind, I found it at: http://www.powerwerx.com/ft817.html
Ken, would it be costly to include a laminated sheet describing the various
combinations? It should be obvious but newer hams may need a
By
Pres Waterman <pres@...>
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#7293
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Re: Powerpole Counterpoise
differnet colors of Powerpole connectors should be in stock in 7 - 10 days
and we are now taking orders for early June delivery.
not like the use of Red & Black powerpoles for anything put + / -
By
Pres Waterman <pres@...>
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#7289
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Re: How the MP-1 works
Hi Barry et al
Thats absolutely essential! When I compared some of this small antennas for
a test review last weekend I found that especially the ATX Walkabout is
extrem sensitive against loading by
By
Peter Zenker <dl2fi@...>
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#7288
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Re: An MP-1 that is very hot
Julian,
Good points. However, I have found that the impedance is about 50
ohms when properly tuned (reading the MFJ antenna analyzer). The
design of the MP-1 has residual inductive reactance when
By
w4wb
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#7287
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Re: No need to cut green wire or ream wider hole for bnc connector
First, I hear bad things about impedences of elbows (yes, I know,
that can be true of any connector, but why add a *known* problem?).
Second, I don't like the mechanical stability with a
By
Steve Howell
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#7286
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