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HT-20 Hilltopper 6 messages
Hey guys had to share this. STL files will be uploaded (work in progress) open for all to use just share any changes. I trimmed the I2C interface right down to the lcd, no header, I also removed the b
Hey guys had to share this. STL files will be uploaded (work in progress) open for all to use just share any changes. I trimmed the I2C interface right down to the lcd, no header, I also removed the b
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By
N8DAH
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Hilltopper 40m firmware 6 messages
Hello group, I had the Hilltopper-40_V2.0 firmware loaded on a second ATMEGA chip to experiment with my HT 40m. In TX or Calibration mode, the output frequency is 7.580 MHz, not the expected 7.030 MHz
Hello group, I had the Hilltopper-40_V2.0 firmware loaded on a second ATMEGA chip to experiment with my HT 40m. In TX or Calibration mode, the output frequency is 7.580 MHz, not the expected 7.030 MHz
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By Martin Kramer
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Ref:Hilltopper 20 Manual, J5 and J6 headers 3 messages
I have joined this group, very informative. I have just obtained a Hilltopper 20, and cannot find the section mentioned in the manual about J5 and J6 - I have headers for this, but cannot find the inf
I have joined this group, very informative. I have just obtained a Hilltopper 20, and cannot find the section mentioned in the manual about J5 and J6 - I have headers for this, but cannot find the inf
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By
Eric Holzapfel
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Measuring power 6 messages
Several posts have referred to the RF power output of QRP rigs including the Hilltopper, the relation to amplifier class, or to final transistor quality, etc. I am curious as to how power is being mea
Several posts have referred to the RF power output of QRP rigs including the Hilltopper, the relation to amplifier class, or to final transistor quality, etc. I am curious as to how power is being mea
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By WA4EFS
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What are the chances this would happen twice? 9 messages
I built the Hilltoppers 20 I got at Ozarkcon and it went together well. The transmitter puts out almost 6 watts. But in trying to check the receiver, it acted like it was muted. I encountered this sam
I built the Hilltoppers 20 I got at Ozarkcon and it went together well. The transmitter puts out almost 6 watts. But in trying to check the receiver, it acted like it was muted. I encountered this sam
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By Charles W. Powell
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Hilltopper mod performance 3 messages
I replaced the audio chip in one of my Hilltoppers last night and hooked it to the signal generator. -73 dBm - great! -107 dBm, still great. Then for the more difficult tests. -33 dBm used to send the
I replaced the audio chip in one of my Hilltoppers last night and hooked it to the signal generator. -73 dBm - great! -107 dBm, still great. Then for the more difficult tests. -33 dBm used to send the
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By Charles W. Powell
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HT-20 LPF performance? 2 messages
I am curious about the performance of the HT-20 LPF. Has anyone measured harmonic suppression numbers? Curt KB5JO
I am curious about the performance of the HT-20 LPF. Has anyone measured harmonic suppression numbers? Curt KB5JO
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By Curt
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HT20 - Nice Rig 8 messages
Just finished my HT20 a couple hours ago. I presently do not have any other radio in the house so I couldn't make the initial adjustments. In spite of this situation, I managed to make my first contac
Just finished my HT20 a couple hours ago. I presently do not have any other radio in the house so I couldn't make the initial adjustments. In spite of this situation, I managed to make my first contac
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By
StanWB2LQF
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Frequency calibration 8 messages
I just finished a Hilltopper 40. It works well, but I'm a little fuzzy on the frequency calibration. I'm using a receiver to monitor and am having trouble matching with the sidetone freq. I noticed th
I just finished a Hilltopper 40. It works well, but I'm a little fuzzy on the frequency calibration. I'm using a receiver to monitor and am having trouble matching with the sidetone freq. I noticed th
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By Frank
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[4SQRP] Hilltopper mods - 'how to get them' 5 messages
folks- At this point, I've shipped all but two mod sets for the Hilltopper. Parts are due in today and then I can ship those. About 20 sets have gone out. I was surprised to discover that most of the
folks- At this point, I've shipped all but two mod sets for the Hilltopper. Parts are due in today and then I can ship those. About 20 sets have gone out. I was surprised to discover that most of the
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By Dave Benson
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Hilltopper mods - 'how to get them'
gang- As my original post mentioned, fixes 1) and 2) are free for the asking. Please contact me directly for these: davek1swl at gmail.com ----------------------- The price for all three is $7 via Pay
gang- As my original post mentioned, fixes 1) and 2) are free for the asking. Please contact me directly for these: davek1swl at gmail.com ----------------------- The price for all three is $7 via Pay
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By Dave Benson
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Hilltopper Mods 2 messages
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 change
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 change
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By Dave Benson
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Hilltopper 40 Power Out at 12 VDC 11 messages
I'm about to purchase a Hilltopper 40 but first I would like to know how close to 5 watts output I can get from 12 VDC? I built five QCX transceivers and not one of them ever approached 5 watts on 12
I'm about to purchase a Hilltopper 40 but first I would like to know how close to 5 watts output I can get from 12 VDC? I built five QCX transceivers and not one of them ever approached 5 watts on 12
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By
StanWB2LQF
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Ham Radio Deluxe interface 6 messages
This is sort of crazy but it is all in fun. I connected the Hilltopper 20 with Ham Radio Deluxe using CAT. HRD’s VFO-A displays or adjusts the frequency and its VFO-B reflects or adjusts Hilltopper R.
This is sort of crazy but it is all in fun. I connected the Hilltopper 20 with Ham Radio Deluxe using CAT. HRD’s VFO-A displays or adjusts the frequency and its VFO-B reflects or adjusts Hilltopper R.
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By WA4EFS
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ADV: Re: ADV: Re: ADV: Re: ADV: Re: ADV: Re: [HilltopperKit] Hilltopper 40 problem....HELP!!
We live and learn Dave. Hi Hi Pro Jack R. Dock ... How about we give GOD a reason to continue blessing America? In defense of America I pledge my life, my fortune and my sacred honor. War does not det
We live and learn Dave. Hi Hi Pro Jack R. Dock ... How about we give GOD a reason to continue blessing America? In defense of America I pledge my life, my fortune and my sacred honor. War does not det
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By jrdock@ckt.net
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ADV: Re: ADV: Re: ADV: Re: ADV: Re: [HilltopperKit] Hilltopper 40 problem....HELP!! 2 messages
I think you are right Jim. It just bothered me that I had looked at it for several weeks and never really looked at it! Took me about a half hour to get that little jewel out. Used a bamboo skewer to
I think you are right Jim. It just bothered me that I had looked at it for several weeks and never really looked at it! Took me about a half hour to get that little jewel out. Used a bamboo skewer to
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By jrdock@ckt.net
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ADV: Re: ADV: Re: ADV: Re: [HilltopperKit] Hilltopper 40 problem....HELP!! 2 messages
OK Jim here goes .... I had been looking at this thing for 3 weeks trying to see what was wrong. We had our builders club meeting and Joe (W0MQY) was working on his HT-40 so Bill (WB0LXZ) offered to h
OK Jim here goes .... I had been looking at this thing for 3 weeks trying to see what was wrong. We had our builders club meeting and Joe (W0MQY) was working on his HT-40 so Bill (WB0LXZ) offered to h
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By jrdock@ckt.net
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What a great build! 3 messages
Just finished the Hilltopper 40 build and I want to send kudo's out to all involved in making this kit a pleasure to own, build, and operate. Having been a kitter in the early days of 4sqrp, the indiv
Just finished the Hilltopper 40 build and I want to send kudo's out to all involved in making this kit a pleasure to own, build, and operate. Having been a kitter in the early days of 4sqrp, the indiv
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By W0MQY
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ADV: Re: ADV: Re: [HilltopperKit] Hilltopper 40 problem....HELP!! 7 messages
Yes, it is good. TNX Dave for all your help. Pro Jack R. Dock ... How about we give GOD a reason to continue blessing America? In defense of America I pledge my life, my fortune and my sacred honor. W
Yes, it is good. TNX Dave for all your help. Pro Jack R. Dock ... How about we give GOD a reason to continue blessing America? In defense of America I pledge my life, my fortune and my sacred honor. W
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By jrdock@ckt.net
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ADV: Re: ADV: Re: ADV: Re: [HilltopperKit] Hilltopper 40 problem....HELP!! 3 messages
Well, Bill (WB0LXZ) and I spent the evening checking all of the voltages shown on the schematic and they all checked out. It should work but doesn’t. Bill worked some on it with the scope but I can’t
Well, Bill (WB0LXZ) and I spent the evening checking all of the voltages shown on the schematic and they all checked out. It should work but doesn’t. Bill worked some on it with the scope but I can’t
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By jrdock@ckt.net
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