I am stunned and saddened to learn of the untimely death of Steve. Amateur radio has indeed lost a very talented and brilliant engineer, and enthusiast.
I had the pleasure of meeting Steve at the 1990 and 1996 EME conferences, and I enjoyed many EME QSOs with him, during the 80s and 90s, on 2M and 70 cm EME.
And what an enthusiastic Steve was! I recall reading his account of a tower climb, in the aftermath of a serious late November ice storm. The purpose of this climb was to initiate a 3 hour ice removal effort, which would allow him to participate, in an EME contest event. IIRC, his tower was 80 foot/24+ m tall!!
My condolences to Steves family.
RIP Steve
Ron N4GJV
Hi al
Im having some real problems building dipoles on 432 for the DK7ZBs
I just can't get a decent match
Quick question
The DK7ZB suggests a radiator lenght of 328mm for the 19 eles on 432
that anyone know if that incs a spacing for a dipole centre or I need to amend that with the centres I have (10mm centres from Nuxcom)
Im realy baffled by the poor match I have
Using RG302 - vel factor 0.7
Ive made the matches 2 x 12mm lengths of RG302
Just wont give me a decent match
What am I doing wrong!
Im loosing the plot!
Cheers
Simon ZL4PLM
Check out more information on the world 50 MHz and Up : www.zl4plm.com
Appears that I have blown my themistor head on my HP432A, today. I was checking LO
level on a 144-MHz transverter when the meter went full-scale. Checked coarse-zero
and is full-scale (with nothing input to the head). Removing the head from the
cable restores zero on the meter (so cable is good).
What an inconvenient time to lose my power meter as I rely heavily on it for
measuring low level RF as I build kits.
I guess rebuilding the head is non-trivial. It was a coaxial head good to 10-GHz
that I picked up along with the meter on the surlus tour for MUD-2000 in
Philadelphia.
Anyone have a source of these heads? I am deaf & blind for making meqasurements
without it.
73, Ed - KL7UW
I'm saddened to report that Steve Powlishen K1FO passed away late this
afternoon Saturday 28 Jul 2012. We'll pass along further details once we
have them. Our thoughts are with Lori his XYL.
- Bob W1QA
Please pass onto the net. I am not currently receiving moon-net postings.
I just received the news about Steve Powlishen K1FO’s passing after
arriving home from the mountains. Steve and I became very good friends
after meeting for the first time at the 2002 EME Conference in New Jersey.
Steve was an aspiring golfer and I was an aspiring EME’er. Steve was very
generous with his technical knowledge for a newbie and I tried to
reciprocate with useful golf tips. Steve and his wife Lori were also very
generous hosts and allowed me to visit and operate his world-class EME
station and home in Madison, CT on a number of occasions. Steve and Lori
showed me what New England hospitality and cuisine are all about. We had
also had many discussions about fine dining for which I knew nothing about
but had to quickly learn.
Steve will be greatly missed as mentor, dedicated husband of many years,
and a personal friend of mine that made a huge difference in my life and
many others. His superb ARRL antenna and amplifier design articles have
promoted many aspiring VHF/UHF hams to take the plunge and build their own
equipment and get QRV on the higher bands.
Our condolences to his wife Lori in these difficult times who has fought
this difficult battle along with Steve over the last year. Steve was
optimistic to the end but it just wasn’t meant to be.
Rest in peace, Steve…
Gary, N8CQ
Working in the shack, listening in the background.
Anybody around? Fair propagation on 20m to lesser 48 today.
73
Mike, KL6M BP51dc http://www.qsl.net/kl6m
Even though we made competitive amplifiers, we maintained a cordial relationship and enjoyed EME and
eyeball QSO's with each other. Steve will be missed by many of us.
Steve's passing should remind all of us that life is short.
RIP Steve
Jerry W7QX
Hallo all moonbouncers,
last weekend I made some tests in decoding JT65B signals on 2m with
RTL-SDR sticks.
(E4000 Tuner and FC0013 tuner)
I made the following....
Frontend: SDR# with sample rate set to 1.024MBit , audio output to VAC
(96kHz 24BIt or 12kHZ 16Bit)
WSJT input from VAC....
The decoding quality looks very good if the stick is well tempered so
that the frequency drift is very small.
So maybe it is much better if you can use an 28.8MHZ TCXO as
reference....anybody has any source for this?
The E4000 has better performance because of the disabled AGC (SM5BSZs
work!).
The FC0013 tuner works also, but has very bad strong signal handling and
some nonlinearities if the input gain is set to 19.xdB.
So i used the 7dB setting not good but a bit better.
I could not find any big difference in the decodes vs. my FT-897D.
So this cheap hardware is maybe also useable on MAP65 or with LINRAD/MAP65.
SDR Sharp can also give the lowest sampling to 250kBit/s for a smaller
bandwith.
Any opinions around on this?
73 de michael dg0opk
I made a mistake
The Transverter is 28mhz in and 432mhz out 20W
Down east microwave electronic.
Picture on request.
73 de Michel
HB9JAW
Hello
A friend off mine is selling his Down East Microwave transverter
28 - 144mhz 20W Version.
Perfectly build and tuned!
As well he has got a very large 432 mhz amp ready to go.
output power well above 67dbm output.
Very professional setup. Thomson Cavity with TH293
If nessesary with HV Power supply and G1 / G2 supply.
3 x 400V in and 5000V 4A output. With soft start
Amp must be picked up.
More info on request.
--
vy 73 de Michel
HB9JAW
