In Canada, you can use up to 2250 watts PEP output on SSB.
http://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01226.html#p10.2
In the US, it's 1500 watts PEP output in any mode.
The Kuhne Electronic equipment is excellent stuff. It's essentially
commercial equipment that's been re-purposed for the ham bands. In fact,
as a licensed operator, you can purchase their industrial products. For
example, I'm using this amplifier for 70cm digital television.
http://shop.kuhne-electronic.de/kuhne/en/shop/industrial/prof-power-amplifier/KU+PA+04105025+A++UHF+MOSFETPower+Amplifier/?card=413
However, due to the high PAPR of digital waveforms, it only delivers a
few watts of average linear power.
Ron
On 12/30/2015 04:26 PM, Kevin McQuiggin wrote:
The amateur limit is 1000 Watts. Personally I ran 800+ Watts on the 2
metre band in the late 1980s for my EME (moonbounce) station. All
analog, single long-boom Yagi. I used a 2M downconverter and listened
on my 10M receiver as it was way more sensitive than my 2M rig.
Over about a year's operation I heard about 10 stations via EME and
worked only 2. Still, that was a very good operational record for a
single Yagi station of the era.
Possibly relevant to Marcus' and others' warnings, my power amplifier
did EXPLODE on one occasion due to dried-out filter capacitors. Big
fireball, and little bits of paper blown right through the amplifier
case and all over the room. It was spectacular :=/
My wife tells the story very well: she was in the kitchen and heard this
big "BOOM". She called upstairs "Is everything alright?" and I calmly
replied "No problem. Could you bring the fire extinguisher up here please?"
Fortunately no fire, and I replaced the filter capacitors. The
amplifier was fine - a good bonus, as I had borrowed it from a research
lab at a local university for a couple of weeks.
With the new weak signal DSP techniques, I hear that 100 Watts and a
single Yagi will get you many contacts, although the data rate will be
very low. Still, it works and that is amazing!
I think Daniel was just asking if these German amplifiers are good
quality. I hear that they are, and that they work very well, although I
have never used or seen one in person. I hear they stand behind their
gear, and will also do custom designs.
Kevin (VE7ZD)
On 15-12-30 04:03 PM, Johnathan Corgan wrote:
On Wed, Dec 30, 2015 at 3:14 PM, James Humphries
<james.humphr...@ettus.com <mailto:james.humphr...@ettus.com>> wrote:
I'm on Marcus' side with that output power, that's a scary high
output. I start to sweat at 10W... :)
Heh, I connected a USRP to a 20KW PA once. Sweating was only one of
several things done in anticipation :)
--
Johnathan Corgan
Corgan Labs - SDR Training and Development Services
http://corganlabs.com
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