. For controller details look at my WEB
OE5JFL Controller details.
Eino's final results from the ARRL EME Contest --
The weather conditions were great. My 2nd period initials
were on 23 cm DL6LAU for initials #87 and DK0ZAB #88. QSO'd
were On 21 Oct on 1296 JA4BLC, G3LTF, OH2AXH, DJ5MN,
SM3AKW, HB9BHU, OZ4MM, JH5LUZ, G4CCH, DF4PV, OE9XXI,
OE5EYM, DH9FAG, OK1CA, F1ANH, PA3CSG, OZ6OL, W2UHI, SM2CEW,
K2DH, F5PAU, K2UYH, W5LUA, W1QA, K5JL, W6HD, CT1DMK, WD5AG
and K4QI, on 22 Oct on 432 DL7APV, G3SEK, OZ4MM and OH2PO,
on 13 cm OZ4MM and W5LUA, back on 432 N2IQ, OE5JFL, K1FO
and SM2CEW, and on 18 Nov on 1296 G3LQR, HB9BBD, DL6LAU,
JA6CZD, ZS6AXT, DK0ZAB, F2TU, OE9ERC, K0YW and DJ9YW. My
final score was on 70 cm 8x8, on 23 cm 39x19 and on 13 cm
2x2 for 142,100 points. I did not get my 70 cm PA ready in
time for the contest, but it is now working FB. The power
tube is a GS23B. The fast over current protection circuit
was a lot of work, but now operates correctly. I tested it
during the Jan SW.
Dirk did not have a good month. He was in an injured
in an accident and will be unable to work for 4 months. 13
screws were put into his right wrist and his left ankle was
also fractured and operated on. But what has him really
upset is that his entries in the ARRL EME Contest as 2
separate stations (from France in Oct, and from Belgium in
Nov) have been disallowed because he used some of the same
equipment at both locations. (They will consider the larger
of his 2 logs as an entry.) The irony of this sad situation
is that Dirk's 2 separate entries were disqualified because
he used an ICOM 820 at both QTHs not the PA's or
antennas! The fact that he was operating from two different
countries did not seem to matter. This interpretation of
the rules shows a misunderstanding of what EME is all
about! As it turns out, Dirk used different ICOM 820's at
the 2 locations. So hopefully both of his entries will be
accepted, and the coming months will go much better for
Jac was active on 23 cm random during the SW. He
QSO'd on 6 Jan G4CCH (539/539), HB9Q (419/559), K5JL
(539/559), KAØY (549/549) for initial #29, KØYW (339/549)
#30 and W2UHI (O/449), and 7 Jan G4CCH (549/549), OE9ERC
(559/569) #31 and K5JL (549/559). On 7 Jan I heard for the
1st time my own echoes on 23 cm just a few dB's above the
noise, but they were there! It was great to hear echoes
with my small station: 2.5 m dish, VE4MA feed, 150 W at the
feed and 0.4 dB NF FHX35LG preamp.
Alex is working towards 23 cm EME and hopes to be
QRV from his home QTH by Mar or April. On 23 cm he will
have a 4 m dish and 500 w. Alex is also planning with RU1AA
and RW3BP some dxpedition activity for 70 cm. Their
portable station will have 4x40 el yagis and a 2.5 kW PA.
They hope to have this station ready by Sept.
Gudmund wrote that he planned to be QRV during the
Jan SW from his old family farm in central Sweden (JP81NX).
Unfortunately this info did not arrive in time for the Jan
NL. I wonder if anyone heard him? He was using the call
SM3BYA with 8 x Tonna 21 el yagis and 450 W PA. Gudmund's
email is at: Gudmund, SM2BYA
Peter's report for the newsletter -- The year 2001
has so far greeted us with good EME conditions. I was QRV
on 432 on 6 Jan 6 and worked the following stations:
OE3JPC, OH2DG, JH1XUJ, JS3SIM, DJ3FI, EA3DXU, I5CTE, G4ALH,
JH4JLV and DF3RU. I heard N1BUG very well in his sked with
PA3CSG. On 7 Jan I worked DL8OBU, OE3JPC, and N1BUG for an
initial. Paul had good signals again. I was also QRV on 432
during the moon eclipse on 9 Jan. Signals were very good
indeed and I worked DL8OBU, OH2DG, UT3LL and G3HUL. On 6
Jan on 1296 and worked WA1JOF (539) for an initial. A fuse
blew in the middle of this QSO that took a few minutes to
fix. Excellent signals were also received from HB9Q,
VE1ALQ, ZS6AXT and G3LTF. Conditions were excellent and it
was nice to be able to exchange greetings for the New Year
during the QSOs. I will be QRV for the upcoming SW/SSB
Contest if the WX is ok.
Darrell made initials during Jan on 70 cm with KJ7F
#190 and DJ3FI #191 - both with great signals, and on 23 cm
with KA0Y #131, W4AD #132, VE6NA #133 and WA6PY #134 also
all with surprisingly good signals. Darrell's totals are on
70 cm initial #191, DXCC 28 and state 32, on 23 cm initials
134, DXCC 31 and state 23, and 5 cm initial #13, DXCC 11
and state 3.
Barry fills us in on his 24 GHz EME status -- I have
been playing around with a new 8' x 9' Prodelin offset dish
with 0.7 f/d, a good 1.55 dB NF preamp and this weekend a
new IMU feedhorn (larger size thanks to W1GHZ
calculations). I'm very happy with the results! I get a
solid 14.9 dB of Sun noise and 2.1 dB moon noise - a truly
amazing dish! My priority now is to get a bigger TWTA
working. Power supply mods are required. Presently I do
have 11 W. I should be ready to conduct echo test in the
next month or so, but I still have station integration work
Willie was on 70 cm during the past SW. He worked on
6 Jan at 2200 nil DL5LF, 2230 nil ON5OF, 2300 nil HA1HA,
2344 DL3RU (559/559) and 2354 K5AZU (559/559), and on 7 Jan
at 0010 K1FO (579/569) and 0630 partial VK4AFL (-/339) –
heard during his 3rd transmission, but lost his signal due
to tree blockage. Willie listened for echoes the following
day, but heard none. He found that his TX relay was not
working. After repairs he tried on 11 Jan at 0300 with
PA4AF but heard nil. This time it was Frank whom was having
the relay problems.
Dale writes -- I am completing a 3 cm EME station and
have observed that the horizontal US and vertical Eur
scheme leaves a lot to be desired as the resultant geo
rotation is many times as much as 40 degrees away from
being optimum. This is further complicated for me as I use
a polar mount. My current feed is fixed linear (Chaparral
Superfeed with waveguide transformer to improve VSWR), but
I have a rotatable feed that allows me to optimize polarity
angle from the shack. I still need to just the VSWR at
10.368. It looks as though at some point everyone will be
switching to circular pol and this will all be moot. In the
near future I will be taking down my 9' dish and putting up
a 12' dish that I plan to expand to 13'. I will use this
dish with a diagonal feed on 23 cm, as well as 3 cm.
Larry completed on 9 Jan what may be the 1st true DSP
EME QSO. It was certainly the 1st such QSO I know of on 1296
-- High wind resulted in very limited air time during the
activity weekend. On 23 cm I worked K0YW, G4CCH, W2UHI,
K5JL and HB9Q. Also heard were VE1ALQ, KD4LT and ZS6AXT
before securing the dish. On 9 Jan I worked W7LHL on 23 cm
using FSK. Both our stations were using software developed
by W7PUA for his DSP-10 transceiver. We were frequency
locked to within 1 Hz via a GPS controlled standard. TX
Doppler correction was also controlled by this program.
W7LHL was using a 10' dish with 50 W and I was using
similar power to 12' dish. We exchanged calls, grids and
rogers, all in text form. This system is presently in beta
test. It shows promise for QSOs at much lower power levels
then used during this test - well below the threshold of
human hearing. However, both stations must use the same
system. [I received a more detailed report on this
innovative system, but somehow the file became corrupted. I
promise to have more details next month.]
Don worked the following initials during the SW on
1296: SM2CEW, PA3CSG, ZS6AXT, W4RDI and HA5SHF. In skeds he
heard VE6NA weakly, nil from WA6PY and WA8WZG was not on.
He also heard a total of 17 stations and worked some of the
regulars. Later he added W4AD and WA6PY and is now up to
initial #40. He ran with VE6NA again but heard nil.
Paul's report -- On 1296 between 6 10 Jan I QSO'd
KD4LT, VE1ALQ, W7QX, WA4OFS, K0YW and K5JL. Partials during
skeds were JA8IAD (O/-), WA1JOF (M/-) and JA4BLC nil. I now
am up to initials #25. I am working on my setup for
2304/2320/2424 for the Feb SW. I do not plan to be QRV on
23 cm. At present I am using my 20 year old Xtal exciter,
which I can tune only between 2304.000 to 2304.080. My
absolute TX frequency calibration is +/- 4 kHz. I prefer to
transmit on 2304.050, TX frequency in cross band - the same
number of kHz. I will arrange skeds in the last minute via
the EME net and the Internet. My window from is 2 Feb 2130
to 3 Feb 0800, 3 Feb 2230 to 4 Feb 0830 and from 4 Feb
2300Z to 5 Feb 0900. I will stay on 13 cm until the end of
March and then I will move to the next band.
Ivo found mostly very good signals on 1296 during
the SW -- I worked 6 Jan on 23 cm G4CCH, G3LTF, GW3XYW,
G3LQR, HA5SHF, HB9Q, N2IQ, VE1ALQ, SM2CEW, OZ6OL, K5JL,
W2UHI, KA0Y for initial #165, WA1JOF #166, K0YW, VE6TA and
W7SZ - on the horizon with strong QSB, CWNR was JA6CZD and
heard were PA3DZL, KD4LT and DF9QX, and on 7 Jan DL6LAU,
DJ9YW, F5PL, SM6CKU, F1PYR #167, K5JL and W1QC. At about 20
degree EL, my drive refused to go any lower! I must look
into this. Regarding 2nd SWs, I think that they would be
quite useful for skeds on the higher bands. Not everybody
has feeds for all bands fitted on their dish. Alternate
weekends for the higher bands will give time for the change
of feeds, etc. The question is where to draw the line. I
can operate on 23 and 13 cm with the change over taking me
about 1 minute from one band to the other. To change to 6
cm, however, will take up to few hours. So far I received
some positive replies to this idea. Thus it is certainly
worth serious consideration. Stations who are on 70 and 23
cm will still operate the primary SW. In my opinion sked
coordination will be much easier this way. The multi-band
stations should voice their opinions. Regarding the Operating
Procedures: I think
that the repetition of each letter would be VERY confusing.
I agree with the proposed CW speed etc., but - some EMEers
will have to up their CW skills, hi. In addition, I noticed
that during QSOs with some of the bigger stations that they
do not use their callsigns during transmissions. This is
counterproductive, because there may be a station
listening, which wants to work them! Also, after a finished
QSO one should always tune around for possible callers. Not
everyone is doing this. If the good weather continues, I
will install my 6 cm feed for the next SW and will
publicize my availability via Moonnet.
G4RGK, DAVID DIBLEY
WD5AGO had hard drive problems (icing) and expected to be
QRT during the Jan SW. He had hoped to be QRV on 5.7 GHz.
KA2VTI has Andrew's Heliax cables and connectors
$US1/ft for 1/2" LDF 4, $2US/ft. for 7/8" LDF 5,. $US3/ft
for 1 1/4" LDF 6, $US4 for 1 5/8" LDF 7. He has both new
and "like new" used connectors available - all sold at the
same price. 1/2" N Male or N Female $US10 PN_4, 7/8" N Male
or N Female $US40 PN_5, 1 1/4 N Male or N Female $US60
PN_6, 1 5/8 " N Male or N Female $US80 PN_7, also has 1/2"
Heliax and Superflex jumpers of various length and
configuration, Polyphaser coaxial cable Surge Arrestors,
Andrew's ground kits in all sizes, and Clips/snap ins &
tower leg attachment kits. Contact Frank Giambrone at tel
Bus. 908 459 5486, Hm 908 459 5454, e-mail at: KA2VTI
K9BCT is working on a new rotation system for his dish and
wonders what RPM drives others are using?
KA0RYT is still QRV on 70 cm with 4 yagis.
CT1DMK's dish is repaired. Luiz will be on 70 cm and will
stay there until the spring and then switch to the
DL7APV is working on a solid state PA for 70 cm, and plans
to be for the DUBUS Contest.
WB5AFY has a 5.5 m dish and hopes to be back on EME soon.
W2UHI found lots US stations active on 23 cm, but let
activity from Eur the 1st night. Frank worked PA3DZL and
heard VE6TA with ZS6AXT and HB9Q. His standings on 1296 are
now at initial #141, DXCC 33 and state 27.
N2IQ is receiving on 10 GHz with a large horn and just
about ready for skeds. He needs a visual moon.
KJ7F worked VE1ALQ, NC1I, OH2DG, KD4LT, K5WXN and VK4AFL on
432 in Jan.
WB0GGM was QRV for the SW, but scored nil in his skeds with
K8UC and JA5NNS. He heard JA1XUJ but made no contacts.
W7MEM has a line on a PA and may have some power on 432 in
a couple months.
W5LUA spent most of the time on 23 cm in Jan. He worked a
couple new ones: KA0Y and VE6NA, and heard F1PYR calling
CQ. His PA is running pretty well at 900 W out.
WB4BKC's dish platform and 12' (.375 f/d) dish are built.
He is now working on the elevation system and feed. He
hopes to be QRV on 23 cm in 1-2 months with 200 W.
DL9KR listening in on PA3CSG's sked with N1BUG and heard
the (M/M) exchange. He also worked NC1I with (599/599)
VE6TA worked on random during Jan on 1296 HB9Q for initial
#61 and ZS6AXT. He also had a partial with HA5SHF.
VE6NA had a great weekend on 23 cm. He worked all he heard
except WA1JOF. He warns to be careful about the calls and
not be confused between him and VE6TA.
W7QXV worked W4RDI, WA6PY and WA4OFS on 1296 in Jan, and is
now at initial #53. Jerry also reports a nice visit with
KL7HFQ was on for the SW and worked DF3RU and heard NC1I
with good signals.
OZ9AAR has not worked on his dish because of WX.
K2DH asks if anyone received QSL cards from the OX2K
Greenland expedition? (yes).
TI2NA is working toward 23 cm EME.
TI5KD may be on 70 cm EME soon.
K5WXN worked OE3JPC on 70 cm for a new one. Condx seemed to
be good but he found very little activity.
WA9OUU is now hearing echoes on 13 cm. He is using a 4.4 m
dish and a HB 8x7289 PA on 13 cm with 100 W to the feed. On
23 cm he has 800 W. To the east he needs 15 degs of el.
WA4YGG in EM85 is getting ready for 23 cm EME. Steve is
looking for info on feeds.
OE3JPC's new email address is OE3JPC
RA3LE worked UA3PTW on 432.
UA9FAD on 70 cm worked UA3PTW.
YO2IS's email address is YO2IS He is
available for 70 cm EME skeds anytime.
W4TJ has anew email address at: Bill, W4TJ
OK1DFC is looking for a YL10xx cavity for 1296 MHz, You can
contact Zdenek at OK1DFC
SK7MW is looking for a 7650 to use on 70 cm EME.
Contact Tor at SK7MW
W1ZX has for Sale a General Radio 1236 30 MHz IF
for $US150+s, General Radio 1216A 30 MHz IF Amplifier
$US60+s, MFJ-784 Super DSP filter
$US130 +shipping, HP 415E
SWR Meter-brown unit (later model unit) $US85+s and Noise
Com Noise Diodes NC305, glass package $US33+s. Call Willie
at 301 645 5584 between 2000-2300 EST, FAX 301 645 6853, 24
hrs, or e-mail at W1ZX
AL7OB is looking for 1296
HPA and power supply. Mike is also looking for HPA and
preamp for 220.
N2IQ has for sale EW-90 waveguide of various lengths. Some
CT1DMK: is looking for a service manual for an HP-1631
scope and analyzer. Luis also needs files for the ROM, if
anyone could copy the ROM it would be very helpful. He is
having problems with the EPROMS loosing memory.
K5JL has copies of the RIO2000 EME Conference CD available
K0YW writes -- I've been doing a lot of work on
my TH-327 amp for 23 cm. I had a few flashover problems
trying to push it a little hard at my high altitude QTH.
Besides lowering the B plus a bit (down to 2700 V keydown
from 3500) I would like to share some info about keeping
the dust contamination down in the cooling blower inlet
air. I know a lot of us use water cooling and don't have
this problem... But face it, most hamshacks are a filthy
mess when it comes to dust. Up here in the Colorado
Boonies, I have convinced myself to do fairly regular DE-
Dusting of my tube fins in the HF(4cx1500B) and 6 meter
amp (8877). I also clean the fins on my Ten-Tec Titan about
every 6-8 months as the tube temps will start to rise as
the fins air gaps begin to plug with detritus. On The big
microwave amp (TH-327) another problem soon became evident.
Dust buildup on the top of the cavity in and below the tube
fins actually contributed to an arc-over between the anode
bypass cap hot side and the cavity roof - a distance of
over .400 in of Ultem dielectric. After seeing all the crud
in the plenum after only about 100 hours of operation, I
decided to check into an input air-filtering scheme that
would really work. I 1st investigated the opencelled foam
screen filters that are found with Muffin fans used in rack
cooling applications. They were immediately ruled out due
to inadequate filtering capacity and too much restriction
of the blower input airflow. The blower used to cool my big
jug is a Dayton model 4C447, which has a 5" air inlet and
provides over 200 CFM of air at 0.3" of static pressure.
This is very adequate for the TH-327 at 3kw input power and
1 kW out (approx. 2 kW plate dissipation or about 44% of
the 4.5 kW plate dissipation of the tube). I decided to
look back at my Hot-Rod and Racing days for a solution.
What I found is a good practical solution in the form of a
high performance, low restriction air cleaner element and
housing from K&N air cleaners. K&N is the largest
manufacturer of after-market low restriction high
performance air cleaners in the world. Their patented
cotton gauge/aluminum wire mesh filter element has been
around for 25 years. I had a 9" dia x 6" tall element and
holder in my hotrod junk box. Its bottom base diameter is a
near perfect 5 1/8" match to the inlet diameter of the TH-
327 blower. 4 simple aluminum right angle brackets with
pop-rivets to the air cleaner base horn and sheet metal
screws into the blower inlet plenum made the mounting. To
attach the top plate of the air cleaner, I used a 5 1/8"
length of 3/4" angle pop-riveted across the end of the air-
cleaner base. It picks up a piece of 1/4" all-thread rod
that is long enough to pass through the hole in the center
of the air-cleaner top plate. I also used a bead of
Silicone around the air-cleaner base to blower interface to
seal the joint together. The air cleaner will work OK out
of the box. However, I recommend using the K&N supplied
filter oil that is supplied with the unit. The oil, which
wicks into the cotton gauze element, doesn't drip and make
a mess. Nor does it smell. It does however trap and hold
all of the fine particles in the air. The K7N element is
designed for extremely low restriction with up to 1/8" of
dirt particles coating the element! This size element will
pass over 850 CFM in that dirty condition with less that
0.1" of pressure drop across it. At 200 CFM with a clean
element, it is a little over kill! BTW, K&N also supply
this (9" dia. filter in several lower heights - down to 2
3/4" high for those with less room). The results have been
impressive so far. An additional side benefit is the
reduction in blower noise being generated from the inlet.
Another advantage of the K&N design is that when it is time
to change out the filter, you can merely remove it, wash it
with ordinary liquid detergent and water, dry it, re-oil
and reinstall! There are of course, a lot of other ways to
achieve this result by remoting the filter and using a 5"
flex heater duct hose with the appropriate clamps to make
the connections. While this application is for a big inlet
blower, K&N make air cleaners for many different sizes.
Elements are available down to 23/4" dia x 2" high. You can
easily fabricate your own mounting plates and inlet
adapters. Sources: K&N is carried by many auto accessory
stores. However to get the unit that I described, It is
easiest to go through one of the High performance
automotive catalog stores such as Jegs high performance in
Ohio: 1-800-245-4545. This unit is their p/n 599-58-1190 at
$51.99 complete including element, top and base. Summit
Racing in Summit New Jersey is another source. Both have
Summit Racing and
G3SEK hasn't received many comments so far, in response to
his draft publication of the EME Procedures in the Jan NL.
Ian asks, "Does this mean there were none, and everybody is
happy? If anyone has seen recent comments, please can they
forward them to me. We need to make a 'last call' for
comments and then move on to make some firm recommendations
that will stand for the next few years". I am in full
agreement with the Procedures except for the issue of TX
frequency during skeds. I believe stations should TX on a
frequency that causes their echoes to be heard on the sked
frequency, See my comment in the FEB 00 NL.
There was a question about the dates for Eur World-Wide EME
Contest. The dates published in this NL were CORRECT and are
31 Mar/1 April for 432/2.3-6.3 GHz and 28/29 April for
One of ON5OF's EME contest logs was disqualified by the ARRL,
see story in his report.
The FCC has the assigned the callsign W2ETI to the SETI
Leagues' Moonbounce Beacon now under construction. A special
QSL Card will be provided for reception reports.
Unfortunately construction of the station is running behind
schedule and will not be in operation before the spring.
VE7BQH is again conducting a survey of the dates EMEers want
for the 2001 EME Contest. His finding will be sent to the
ARRL. Lionel feels that 13/14 Oct and 10/11 Nov are the
most likely dates. Other possibilities are 6/7 Oct and 3/4
Nov – the 2001 SWs, but these conflict with Eur Tropo
Contests. Please send you recommendations to Lionel at
VE7BQH , Your input is needed no later than 12
I missed the Jan SW because of business travel. There was
heavy snow here over the SW, so it is unlikely I could have
been QRV even if I had been home. While traveling I had the
opportunity to visit WA7CJO, W7GBI and W7QX and see some
exceptional stations. Hopefully the WX will be better for
the Feb SW as I am I looking forward to the SSB Contest. I
hope to hear your SSB off the moon in Feb.
73, Al - K2UYH
2230z AL7OB -UA6LGH
2300z AL7OB -S52CW
2330z AL7OB -HA1YA
Time 432.040 432.045 432.055 432.070
0000z AL7OB -DK3WG
0030z AL7OB -DL8OBU
0100z AL7OB -DJ3FI
0130z AL7OB -W1ZX
0200z AL7OB -KU3T
0230z AL7OB -W5ZN
0330z AL7OB -N3FA
0400z KL7HFQ-K5WXN AL7OB -KJ7F
0430z KL7HFQ-WB0GGM VK4AFL-W1ZX AL7OB -K4EME
0500z JH1XUJ-WB0GGM KL7HFQ-K4EME
0530z JA5NNS-WB0GGM AL7OB -JH1XUJ
0600z AL7OB -JA2TY
0630z AL7OB - 7M2PDT
0900z AL7OB -UA9FAD
1715z N1BUG -DL9NDD
2200z WB0GGM-UA6LGH K8UC -DL9NDD
2230z WB0GGM-OH2DG K4EME -DL9NDD
2300z WB0GGM-G4ERG AL7OB -OZ6OL
2330z WB0GGM-ON5OF AL7OB -PA4FP
Time 432.040 432.045
0000z AL7OB -ON5OF G4YTL -CT1DMK
0030z AL7OB -DL4MEA G4YTL -W1ZX
0100z G4YTL -KD4LT
0130z G4YTL -WB0GGM
Time 1296.040 1296.050
0000z K9BCT -WA1JOF
0130z W7BBM -WA1JOF
0200z VE6NA -WA1JOF
0230z VE6TA -WA9OUU
2130z WA1JOF-EA3UM K0YW -I0UGB
2200z WA1JOF-ON5RR VE6TA -HA5SHF
Time 1296.040 1296.050
2230z VE6TA -VE6NA
2300z VE6NA -HA5SHF
2330z W7BBM -K0YW VE1ALQ-F1PYR
0000z W5LUA -F1PYR
2100z DJ5MN -WA1JOF
0200z WA6PY -W5LUA
0230z WA6PY -W7GBI
2230z WA6PY -OE9XXI
2300z WA6PY -OE9ERC
2330z WA6PY -LX1DB
0030z WA6PY -DL6LAU
Netnotes by K1RQG
This information was obtained from: