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73<br />
DX<br />
near the transmitter, rotation of th e pattern<br />
will be possible. It was fou nd that by<br />
swinging the door 90 degrees signals th at<br />
were a clean S-9 dropped sharply to below<br />
S-4.<br />
_ _ _ _ S..EET OfF ~ CH L<br />
HAND<br />
SLOT<br />
BOOK<br />
LOBE<br />
Dl<br />
LOBE<br />
DO?<br />
$3 00<br />
AT YOUR<br />
including a<br />
GIANT<br />
COUNTRY.ZONE<br />
WALL MAP<br />
Wall sized world country-zone map<br />
QSL design secrets for real results<br />
World airmail postage rates<br />
World parcel p ost <strong>and</strong> air rates<br />
World QSL <strong>and</strong> letter rates<br />
Record list for WAS. WAC, etc.<br />
Complete up to date DXCC rules<br />
DXCC <strong>and</strong> WTW country lists<br />
Coun try worked record list<br />
WAZ record list<br />
W A Z cou ntry-prefix<br />
ARRL section map<br />
Logs-propagation charts-2nd op<br />
Your own DXpedition information<br />
Card files-QSL menagers-c-contests<br />
Reciprocal licensing-third party<br />
Insid e top DX secrets<br />
How to win CW O X contests<br />
CW DX'io g secrets b y t h e m a ster<br />
80M, t h e best DX b<strong>and</strong> of all?<br />
Quick spotting time chart<br />
Time, by country around the world<br />
Breaking the tough QSL'ers<br />
Wh a t value foreign stamps to send<br />
Latest QSL bureau list<br />
Great circle maps on four cities<br />
Bearing charts on ten U .S. cities<br />
Special ham map of South America<br />
Ham map of North A merica<br />
Caribbean h a m map<br />
Ham map of Africa with latest calls<br />
World country-zone map in book<br />
DISTRIBUTOR OR DIRECT<br />
r--------------------<br />
I Send cash, check, money order t o<br />
I<br />
IIIIIIIIII<br />
73 Maqazine, Peterborou9h, NH 03458<br />
Na m e .<br />
Fig. 6 . Top view of r ad iation patter n of the<br />
slot anten n a.<br />
This antenna has out pe<strong>rf</strong>ormed everything<br />
built to date including a ground plane<br />
at 25 feet above ground <strong>and</strong> the TV log<br />
periodic at 50 feet above ground. Reports<br />
have been exceptional up to 25 miles on the<br />
143.950 Mll z MARS frequency whi ch is<br />
good on t he Mississippi coast. Super regen receive<br />
such as the " Twoer" are completely<br />
quieted at 15 miles with less t han 5 walls fed<br />
to the slot.<br />
...W2ZRX<br />
-<br />
Address ..<br />
City _ _ 5tate Zip .<br />
..Allow me to tune, Roggs-I need the exer<br />
. ..<br />
e lse.<br />
12 73 MAGA ZINE
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