[ADXA] BE ALERT - E51EME

Tue Aug 27 05:43:40 EDT 2024

Of course I have further comments !!!!!! 😊

If you’re going to discuss antennas you need to understand signal propagation and what works best in different situations. Its not so much a factor on between 10 and 28 MHz but above and below it does, especially on 50 MHz.  Different heights will produce different results depending on the type of propagation. F2 is a bit different than Sporadic E but you can get to a point where you’re splitting hairs.

I’ve had stacked six meter antennas for a long time and can switch between them individually. While there have only been two situations where I could not hear the DX station on the higher antenna, I have never seen a situation where I could not hear the DX on an antenna at 27 ft, 52’, 77’ for 102’. The one thing I do notice is the higher the antenna the higher the noise floor.

So,  Frank’s statement is correct, of course, (who am I to dispute E.F. “Frank” Hutton??) and 50 ft is an excellent height choice. Will you lose something with the antenna at 30 ft or 100 ft? Maybe, but most likely not. Remember, 6 meters isn’t called the “Magic Band” because it’s a cute name. The different propagation methods at play can open and close at any time and your buddy a few miles down the road may not hear anything.

Bottom line – BE READY WITH WHATEVER YOU HAVE IN THE AIR !!!!!!!!!!!!!!!!!!!!!!!!

73 Joel W5ZN

From: adxa-bounces at mailman.qth.net <adxa-bounces at mailman.qth.net> On Behalf Of Steven Rutledge
Sent: Saturday, August 24, 2024 11:36 AM
To: adxa at mailman.qth.net
Subject: Re: [ADXA] BE ALERT - E51EME

George, read W3LPL's paper on six meter antenna height.  50' the best and 40' no problem.  My antenna is at about 80' and I can tell people with lower antennas are smoking me.  This is a 28' boom.  I just didn't know at the time.  Many ops have antennas they can switch between at different heights.  When I first got exposed to six meter DX in WDC, it was when F2 was hopping.  Everyone told me bigger and higher for F2.  That might be true but Frank, LPL, says 50' is best for E DX.  Maybe Joel has further comments.  I would love to lower my six meter antenna but it would be terrific job.

Kind regards and 73,

Steve

On 8/24/2024 9:40 AM, w5zn at w5zn.org <mailto:w5zn at w5zn.org>  wrote:

Some gud DX there George.

32 ft is an excellent height for a 6 meter antenna. If you believe you need a 50 MHz antenna at 120 ft for 99% of the six meter DX, then create a model of your antenna and run a simulation of the vertical pattern at that height and the nulls will surprise you!!!!!! 

ZN

From: adxa-bounces at mailman.qth.net <mailto:adxa-bounces at mailman.qth.net>   <mailto:adxa-bounces at mailman.qth.net> <adxa-bounces at mailman.qth.net> On Behalf Of WB5JJJ
Sent: Saturday, August 24, 2024 9:32 AM
To: ADXA Mailing List  <mailto:ADXA at mailman.qth.net> <ADXA at mailman.qth.net>
Subject: Re: [ADXA] BE ALERT - E51EME

I've been lucky with my 6m Oceania contacts.  Here is my paltry list of 73 compared to many ADXA members.  But I've only had a decent 6m beam at 32' for about 10 years and NO amp.  I'm still surprised as to how well it works WHEN CONDITIONS ARE RIGHT.  Otherwise, it might as well be a dummy load up there.  I got ONE Hawaii and TWO Alaska within about 15 minutes last year to round out my WAS on 6m.  

DXCC Entity

6M

ALASKA 

NL7S <https://lotw.arrl.org/lotwuser/qsodetail?qso=1560481724> 

ANGUILLA 

VP2ETE <https://lotw.arrl.org/lotwuser/qsodetail?qso=1363283876> 

ARGENTINA 

LU9DO <https://lotw.arrl.org/lotwuser/qsodetail?qso=1519311346> 

ARUBA 

P41E <https://lotw.arrl.org/lotwuser/qsodetail?qso=1375411723> 

AUSTRALIA 

VK4MA <https://lotw.arrl.org/lotwuser/qsodetail?qso=1673004784> 

AZORES 

CT8/K0RUI <https://lotw.arrl.org/lotwuser/qsodetail?qso=432935098> 

BAHAMAS 

C6ABB <https://lotw.arrl.org/lotwuser/qsodetail?qso=428653176> 

BALEARIC ISLANDS 

EA6SX <https://lotw.arrl.org/lotwuser/qsodetail?qso=946136483> 

BARBADOS 

8P6ET <https://lotw.arrl.org/lotwuser/qsodetail?qso=1358496891> 

BELGIUM 

ON7GB <https://lotw.arrl.org/lotwuser/qsodetail?qso=950310058> 

BELIZE 

V31DL <https://lotw.arrl.org/lotwuser/qsodetail?qso=1058248360> 

BERMUDA 

VP9NM <https://lotw.arrl.org/lotwuser/qsodetail?qso=1200693632> 

BONAIRE 

PJ4BZL <https://lotw.arrl.org/lotwuser/qsodetail?qso=1351552004> 

BRAZIL 

PV8DX <https://lotw.arrl.org/lotwuser/qsodetail?qso=1200362674> 

CANADA 

VE2NGH <https://lotw.arrl.org/lotwuser/qsodetail?qso=428446451> 

CANARY ISLANDS 

EA8TL <https://lotw.arrl.org/lotwuser/qsodetail?qso=774422589> 

CAYMAN ISLANDS 

ZF1EJ <https://lotw.arrl.org/lotwuser/qsodetail?qso=768272184> 

CHILE 

CE3SX <https://lotw.arrl.org/lotwuser/qsodetail?qso=1512970511> 

COLOMBIA 

HK3JJH <https://lotw.arrl.org/lotwuser/qsodetail?qso=1200362679> 

COSTA RICA 

TI2CDA <https://lotw.arrl.org/lotwuser/qsodetail?qso=1058998239> 

CROATIA 

9A8A <https://lotw.arrl.org/lotwuser/qsodetail?qso=1370139431> 

CUBA 

CO2QU <https://lotw.arrl.org/lotwuser/qsodetail?qso=502568277> 

CURACAO 

PJ2MAN <https://lotw.arrl.org/lotwuser/qsodetail?qso=1546923557> 

CZECH REPUBLIC 

OK1MR <https://lotw.arrl.org/lotwuser/qsodetail?qso=1370139434> 

DENMARK 

OZ3K <https://lotw.arrl.org/lotwuser/qsodetail?qso=955237649> 

DOMINICA 

J79WTA <https://lotw.arrl.org/lotwuser/qsodetail?qso=1344448924> 

DOMINICAN REPUBLIC 

HI8RD <https://lotw.arrl.org/lotwuser/qsodetail?qso=591469865> 

ECUADOR 

HC2DR <https://lotw.arrl.org/lotwuser/qsodetail?qso=1190631168> 

ENGLAND 

G0HVQ <https://lotw.arrl.org/lotwuser/qsodetail?qso=950299944> 

FALKLAND ISLANDS 

VP8NO <https://lotw.arrl.org/lotwuser/qsodetail?qso=1675200441> 

FEDERAL REPUBLIC OF GERMANY 

DK1MAX <https://lotw.arrl.org/lotwuser/qsodetail?qso=941960249> 

FIJI ISLANDS 

3D2AG <https://lotw.arrl.org/lotwuser/qsodetail?qso=1786212495> 

FRANCE 

F5BZB <https://lotw.arrl.org/lotwuser/qsodetail?qso=941960247> 

GALAPAGOS ISLANDS 

HD8MD <https://lotw.arrl.org/lotwuser/qsodetail?qso=1888093307> 

GREENLAND 

OX3LX <https://lotw.arrl.org/lotwuser/qsodetail?qso=1370357566> 

GRENADA 

J35X <https://lotw.arrl.org/lotwuser/qsodetail?qso=1358496892> 

GUADELOUPE 

FG1JS <https://lotw.arrl.org/lotwuser/qsodetail?qso=843357224> 

GUATEMALA 

TG9ANF <https://lotw.arrl.org/lotwuser/qsodetail?qso=934195490> 

HAITI 

HH2AA <https://lotw.arrl.org/lotwuser/qsodetail?qso=777813214> 

HAWAII 

KH6HI <https://lotw.arrl.org/lotwuser/qsodetail?qso=1544926060> 

HONDURAS 

HR9/K6VHF <https://lotw.arrl.org/lotwuser/qsodetail?qso=1808698771> 

ICELAND 

TF1A <https://lotw.arrl.org/lotwuser/qsodetail?qso=951048434> 

IRELAND 

EI3KD <https://lotw.arrl.org/lotwuser/qsodetail?qso=945856111> 

ISLE OF MAN 

GD0TEP <https://lotw.arrl.org/lotwuser/qsodetail?qso=1535360635> 

ITALY 

I4KYO <https://lotw.arrl.org/lotwuser/qsodetail?qso=1121955603> 

JAPAN 

JA7QVI <https://lotw.arrl.org/lotwuser/qsodetail?qso=1190365309> 

MADEIRA ISLANDS 

CT3MD <https://lotw.arrl.org/lotwuser/qsodetail?qso=1351717472> 

MAURITANIA 

5T5PA <https://lotw.arrl.org/lotwuser/qsodetail?qso=1367859599> 

MEXICO 

XE2X <https://lotw.arrl.org/lotwuser/qsodetail?qso=435324769> 

NETHERLANDS 

PA5Y <https://lotw.arrl.org/lotwuser/qsodetail?qso=1207692475> 

NEW ZEALAND 

ZL1RS <https://lotw.arrl.org/lotwuser/qsodetail?qso=1844449655> 

NORTHERN IRELAND 

GI6ATZ <https://lotw.arrl.org/lotwuser/qsodetail?qso=950307190> 

NORWAY 

LA8AJA <https://lotw.arrl.org/lotwuser/qsodetail?qso=1196154026> 

PANAMA 

HP2AT <https://lotw.arrl.org/lotwuser/qsodetail?qso=1519311344> 

PARAGUAY 

ZP9HTL <https://lotw.arrl.org/lotwuser/qsodetail?qso=1706795856> 

PERU 

OA1F <https://lotw.arrl.org/lotwuser/qsodetail?qso=1509139728> 

POLAND 

SP3AM <https://lotw.arrl.org/lotwuser/qsodetail?qso=945118648> 

PORTUGAL 

CT1IUA <https://lotw.arrl.org/lotwuser/qsodetail?qso=843354302> 

PUERTO RICO 

WP4JCF <https://lotw.arrl.org/lotwuser/qsodetail?qso=506853270> 

SAINT LUCIA 

J68HZ <https://lotw.arrl.org/lotwuser/qsodetail?qso=1184249499> 

SCOTLAND 

GM4VGR <https://lotw.arrl.org/lotwuser/qsodetail?qso=1204698211> 

SLOVENIA 

S57RR <https://lotw.arrl.org/lotwuser/qsodetail?qso=948915836> 

SPAIN 

EA4EJR <https://lotw.arrl.org/lotwuser/qsodetail?qso=942753958> 

SURINAME 

PZ5RA <https://lotw.arrl.org/lotwuser/qsodetail?qso=1184239468> 

SWEDEN 

SM6NOC <https://lotw.arrl.org/lotwuser/qsodetail?qso=1196146961> 

SWITZERLAND 

HB9Q <https://lotw.arrl.org/lotwuser/qsodetail?qso=1545470296> 

TRINIDAD & TOBAGO 

9Y4D <https://lotw.arrl.org/lotwuser/qsodetail?qso=768296120> 

UKRAINE 

UT7QF <https://lotw.arrl.org/lotwuser/qsodetail?qso=1737524872> 

UNITED NATIONS HQ 

4U1UN <https://lotw.arrl.org/lotwuser/qsodetail?qso=1167673756> 

UNITED STATES OF AMERICA 

K4N <https://lotw.arrl.org/lotwuser/carddetail?card=983211863> 

URUGUAY 

CX7CO <https://lotw.arrl.org/lotwuser/qsodetail?qso=1519311347> 

US VIRGIN ISLANDS 

KV4FZ <https://lotw.arrl.org/lotwuser/qsodetail?qso=855278368> 

VENEZUELA 

YV5DRN <https://lotw.arrl.org/lotwuser/qsodetail?qso=1200362672> 

WALES 

MW0ZZK <https://lotw.arrl.org/lotwuser/qsodetail?qso=1206058169> 

73's

George - WB5JJJ
HoIP - 100105

On Sat, Aug 24, 2024 at 9:18 AM <w5znjoel at gmail.com <mailto:w5znjoel at gmail.com> > wrote:

Greetings ADXA Folks,

Be alert in the afternoons on 6 meters for E51EME on 50.313 FT8. Bob was heard by several stations just to our south yesterday. This is South Cook Island. Some of you have worked E51WL who is on North Cook, so E51EME would be a new one for those who may have not worked Bob on 6 meters before. Occasionally he gets on 10 meters in the afternoon as well so listen there if you need that one on 10.

Bob is on South Cook for a couple of weeks “vacation” from his home in New Zealand (ZL1RS). For this trip he brought a much improved 6 meter antenna system, running two stacked 5 element Yagis. His TX power is 1KW so with just a little enhancement you should hear him. His antennas look out over the ocean and his RX is good.

The past two nights (around 3 AM) I’ve watched him on EME and his EME signal has averaged between -20 to -25 (which is a VERY GOOD EME signal). He cannot elevate the antennas so he is only on EME during his moonrise (MR) and moonset (MS).

So, BE ALERT for the next few afternoons and point your antenna around 240 degrees azimuth. You can see his “blog” on his E51EME QRZ.com page.

73 Joel W5ZN

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