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VK3YE 716 Receiver
I am listening on 40M CW with receiver built from VK3YE circuit Dec 2017. It uses 2 transistors, a 386 audio chip, 716 resonator, three diodes for the "varactor", three potentiometers, and a home
I am listening on 40M CW with receiver built from VK3YE circuit Dec 2017. It uses 2 transistors, a 386 audio chip, 716 resonator, three diodes for the "varactor", three potentiometers, and a home
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By
Curt
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#19437
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FW: [QRP-L] Sasquatch Stomp this coming Friday
By
AG1P Ron
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#19436
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Re: Hilltopper Mods
Dave -
I would also like to make the mods you list. In addition, I would also like to have another pushbutton switch. I will gladly pay you for all parts, including shipping.
Tnx, Paul,
Dave -
I would also like to make the mods you list. In addition, I would also like to have another pushbutton switch. I will gladly pay you for all parts, including shipping.
Tnx, Paul,
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By
Paul AI4EE
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#19435
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Re: Dummy Load Antenna
About two years back I made an OzarkCon QSO Party dummy load out of NiChrome wire. Measured off enough to have a DC resistance of 50 ohms, which was about 50 inches for some fine gauge stuff I had
About two years back I made an OzarkCon QSO Party dummy load out of NiChrome wire. Measured off enough to have a DC resistance of 50 ohms, which was about 50 inches for some fine gauge stuff I had
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By
Jim, N5IB
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#19434
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Re: Dummy Load Antenna
that isn't a dummy load. . that is a full fledged antenna. . .
The 50 ohm is used to insure a impedance match to the transmitter.
you can do the same thing with very large loops. . .. measuring the
that isn't a dummy load. . that is a full fledged antenna. . .
The 50 ohm is used to insure a impedance match to the transmitter.
you can do the same thing with very large loops. . .. measuring the
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By
Dwayne R <masterdr@...>
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#19433
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Re: Dummy Load Antenna
http://www.hamuniverse.com/kf9fqrpdummyload.html
http://www.hamuniverse.com/kf9fqrpdummyload.html
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By
N1KWW <bgrass2@...>
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#19432
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Re: Dummy Load Antenna
Easy one!
http://wa0itp.com/dlspecial.html
72,
Chas - NK8O
Easy one!
http://wa0itp.com/dlspecial.html
72,
Chas - NK8O
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By
Charles W. Powell
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#19431
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Re: Dummy Load Antenna
Gm Charles
Terry used to have a link to a dummy load antenna, but the one I found is Broken?
Maybe someone else has a better link?
73
Johnny
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Check out the 4SQRP website at 4sqrp.com
Gm Charles
Terry used to have a link to a dummy load antenna, but the one I found is Broken?
Maybe someone else has a better link?
73
Johnny
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Check out the 4SQRP website at 4sqrp.com
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By
Johnny AC0BQ
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#19430
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Re: Dummy Load Antenna
Charles,
My dummy load antenna is a dummy load built in a ALTOIDS tin with banana connectors on the OUT end. I attach a hank of wire and string it around the room and it works great with a little more
Charles,
My dummy load antenna is a dummy load built in a ALTOIDS tin with banana connectors on the OUT end. I attach a hank of wire and string it around the room and it works great with a little more
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By
Paul Smith
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#19429
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Dummy Load Antenna
I was looking at the Ozarkcon Dummy Load Special Antenna with an eye toward assembling same. I'm slightly confused about some details.
My interpretation is that one end of the zip cord is soldered
I was looking at the Ozarkcon Dummy Load Special Antenna with an eye toward assembling same. I'm slightly confused about some details.
My interpretation is that one end of the zip cord is soldered
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By
Charles Wells
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#19428
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Re: Hilltopper Mods
Hi Dave
Please put me on your list for the chip update and let me know what the price is when available...I have a beta HT-20
73 de Bob KR9Z
Hi Dave
Please put me on your list for the chip update and let me know what the price is when available...I have a beta HT-20
73 de Bob KR9Z
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By
Bob Zolecki
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#19427
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Re: Hilltopper Mods
Gm Dave
Put my name on 2 of the chips and the necessary parts to mod my Hilltoppers.
I have the beta 20 that is built, but I have a 40 that is still in the box, awaiting some TLC bench time.
I will
Gm Dave
Put my name on 2 of the chips and the necessary parts to mod my Hilltoppers.
I have the beta 20 that is built, but I have a 40 that is still in the box, awaiting some TLC bench time.
I will
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By
Johnny AC0BQ
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#19426
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Magic Box for Sale
I have an unassembled Magic Box kit that I won as a door prize at Ozarkcon several years ago. I also have a printout of the instructions. No idea what it is worth, but if anyone is interested,
I have an unassembled Magic Box kit that I won as a door prize at Ozarkcon several years ago. I also have a printout of the instructions. No idea what it is worth, but if anyone is interested,
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By
John Lonigro
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#19425
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Re: FS resistor assortment
Item sold. Geo. W2BPI
Sent from my Samsung Galaxy smartphone.
Item sold. Geo. W2BPI
Sent from my Samsung Galaxy smartphone.
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By
George H. Gates
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#19424
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Hilltopper Mods
Folks-
Here are several easy mods to improve Hilltopper performance. They address audio levels and quality.
1) 'Loud sidetone':
The value of R8 (now 22k) can be increased to 47K to 100K. (This
Folks-
Here are several easy mods to improve Hilltopper performance. They address audio levels and quality.
1) 'Loud sidetone':
The value of R8 (now 22k) can be increased to 47K to 100K. (This
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By
Dave Benson
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#19423
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Re: FS resistor assortment
Four Sail
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Peter Dehman
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#19422
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Re: FS resistor assortment
So, is that $10 per resistor !!??
How about some details...
David Martin - NA1MH - Mountain Home, Ar. -----------------------------------------
Wherever I
So, is that $10 per resistor !!??
How about some details...
David Martin - NA1MH - Mountain Home, Ar. -----------------------------------------
Wherever I
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By
davemrtn
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#19421
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Re: Hilltopper 40 progress
Hello Bobby,
Nice to meet you. Thanks for your message. Yes. I have been having fun with QRP for years. Ever since I discovered
the 4SQRP group and the wonderful kits they offer I have been in ham
Hello Bobby,
Nice to meet you. Thanks for your message. Yes. I have been having fun with QRP for years. Ever since I discovered
the 4SQRP group and the wonderful kits they offer I have been in ham
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By
Gary E. Kohtala
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#19420
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Ref FS resistors
Forgo to add picture available. 72 Geo/W2BPI
Forgo to add picture available. 72 Geo/W2BPI
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By
George H. Gates
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#19419
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Re: FS resistor assortment
What is FS?
By
Frank Perkins <N6CES.r@...>
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#19418
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