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Turn on you computer speakers, the sound you hear is my Top-Band signal in the Island of St.Martin in the Caribbien, watch the photo of FS/AH8DX 160m. loop antenna standing in the balcony of the Hotel where he worked CQWW SSB 2002.

FS/AH8DX was 59+ in CT1.

(If you need CT1 in Topband let me know to my e-mail: zemurtosa@mail.telepac.pt )

 

The edges have always made me wonder about propagation and bands behaviour, for years I have been active in 50 and 144 Mhz having the chance to study the Tropo-duct, Sporadic-e, Meteor-scatter and F2 phenomena in the higherah8dx3.jpg (36939 bytes) frequencies but the lower-end was still a mistery to me.  Indeed until 1999 I had only a few 160m. QSO's, nevertheless the Low-bands issue came up during one of those dinners where Dick PA3FQA, Lopes CT1CJJ and I talked about DX, Dick had an Inverted L and worked over 130 DXCC's in a year time , this looked good !

In a couple of days we had designed single feedline inverted L's for 80 and 160m. (with no radials at all) and made them work. Having salt-water 1,7m. underground really helped keeping SWR flat and in that same "summer night" nomatter QRN levels I was able to work a couple of CX's and a PY.

Comparing the Inverted L's against the Inverted V antenna for the same bands I can say now that the 160m. Inverted L performs much better than the dipole, but in 80m. the dipole has much better RX and TX.

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Working conditions for Topband:

RX/TX: Kenwood TS-870

Antenna: Inverted L

Linear amp.: Ameritron AL-1500 (1.5 Kwatt)

and ofcourse my Bencher CW paddle.

 

DXCC's worked until August 2006: 204 Entities

DXCC's Confirmed until August 2006: 201 Entities

 

 

(in the photo you can see my Low-band inverted L's hanging in the top of my tower #1)

 

 

And here is my firsts list in 1.8 Mhz:

MONACO : 3A/DL3OCH MAURITIUS : 3B8/OM5RW
RODRIGUES : 3B9C TUNISIA : 3V8BB
VIETNAM : 3W2LC GUINEA : 3XY7C
AZERBAIJAN : 4K5CW GEORGIA : 4L5O
MONTENEGRO : 4O3T SRI LANKA : 4S7CWG
ITU GENEVE : 4U1ITU ISRAEL : 4X3A
LIBYA : 5A2A CYPRUS : P3A
TANZANIA : 5H3RK MAURITANIA : 5T5SN
NIGER : 5U1A TOGO : 5V7C
KENYA: 5Z4DZ SENEGAL : 6W/ON5TN
JAMAICA : W7CB/6Y5 MALAWI : 7Q7MM
ALGERIA: 7X5JF BARBADOS : 8P9JS
MALDIVAS : 8Q7DV GUYANA : 8R1RPN
CROATIA : 9A2TW GHANA : 9G5OO
MALTA : 9H1XT ZAMBIA : 9J2KC
KUWAIT : 9K2MU SIERRA LEOA : 9L1AB
WEST MALAYSIA : 9M2AX SINGAPORE : 9V1GO
TRINIDAD & TOBAGO : 9Y4/YL2GM OMAN : A45XR
UNITED ARAB EMIRATES : A61AJ QATAR : A71EM
BAHRAIN : A92ZE CHINA : BA4RF
ANDORRA: C31LJ THE GAMBIA : C56R
BAHAMAS : C6AGN CHILE : XQ6ET
ANTARCTICA : R1ANN MOROCCO : CN8WW
CUBA : CO8LY PORTUGAL : CT1EDY
MADEIRA : CT3MD AZORES : CU2CE
URUGUAY : CX2CB SABLE ISL. : CY0MM
ST.PAUL ISL. : CY9A ANGOLA : D2EGH
CAPE VERDE : D44BS COMOROS : D68C
GERMANY : DH4RL ERITREA : E30NA
PALESTINE : E44/HA1AG SPAIN : EA1RT
BALEARIC ISL. : EA6AEQ CANARY ISL. : EA8AK
CEUTA & MELILLA : EA9EA IRELAND : EI9E
MOLDAVIA : ER4DX ESTONIA : ES5Q
ETHIOPIA : ET3PMW BELARUS : EU1AB
KYRGYSTAN : EX2A TAJIKISTAN : EY8MM
FRANCE : F9GJ GUADELOUPE : FG5BG
MARTINIQUE : FM5GU CLIPPERTON ISL. : FO0AAA
ST. PIERRE & MIQUELON : FP/N8KR REUNION ISL. : FR5DN
JUAN DE NOVA & EUROPA : TO4E TROMELIN ISL. : FR/F6KDF/T
ST. MARTIN : FS/AH8DX KERGUELEN ISL. : FT5XO
FRENCH GUIANA : FY5KE ENGLAND : G0LJT
ISLE OF MAN : MD4K NORTHERN IRELAND : GI0KOW
JERSEY : MJ/DL1EK SCOTLAND : GM4MFL
GUERNSEY: MU0BKA WALES: GW4BLE
HUNGARY : HA1CW SWITZERLAND : HB9HFL
LIECHTENSTEIN : HB0/HB9AON GALAPAGOS : HC8N
HAITI : 4V200YH DOMINICAN REP. : HI3NR
SOUTH KOREA : HL3IUA PANAMA : HO1A
ITALY : IK4ADE SARDEGNA : IS0OMH
DJIBOUTI : J28XX GRENADA : J38PA
GUINE-BISSAU : J5X ST.LUCIA : J6DX
DOMINICA : J75PA ST.VINCENT : J8PA
JAPAN : JH1ORA MONGOLIA : JT1CO
SVALBARD : JW5QFA JAN MAYEN : JX7DFA
JORDAN : JY9QJ U.S.A. : AA6YQ
GUANTANAMO BAY : KG4SB ALASKA : KL7HBK
US VIRGIN ISLANDS : NP2B PUERTO RICO : KP4AAQ
NORWAY : LA3XI ARGENTINA : LU7HN
LUXEMBOURG : LX1EP LITHUANIA : LY2BTA
BULGARIA : LZ2K PERU : 4T75O
LEBANON : OD5/OK1MU AUSTRIA : OE8HIK
FINLAND : OH2BGD ALAND ISL. : OH0Z
MARKET REEF : OJ0/LA6YEA CZECH REP. : OK1FDY
SLOVAK REP. : OM0WR BELGIUM : ON5NT
FAROE ISL. : OY1CT DENMARK : OZ3SK
ARUBA : P40TA NETHERLANDS : PA3FQA
NETH. ANTILLES : PJ4B ST.MAARTEN : PJ5NA
BRASIL : PY2PA FERNANDO DE NORONHA : ZX0F
TRINDADE & MARTIM VAZ : PW0T SURINAME : PZ5RA
MALYJ VYSOTSKIJ : R1MVZ WESTERN SAHARA : S05X
SLOVENIA : S57M S.TOME & PRINCIPE : S9SS
SWEDEN : SM3CBR POLAND : SP3NX
SUDAN : ST0RY EGYPT : SU9HP
GREECE : J48QEI MOUNT ATHOS : SV2ASP/A
DODECANESE : SV5FRD CRETE : SV9/DL5DSM
SOMALIA : 6O0CW SAN MARINO : T77C
BOSNIA-HERCEGOVINA : T94YT TURKEY : TA3J
ICELAND : TF8GX COSTA RICA : TI8CBT
CORSICA : TK/DL4RDJ GABON : TR8CA
CHAD : TT8AMO BENIN : TY5MR
MALI : TZ6MF EUROPEAN RUSSIA : RV6YZ
ASIATIC RUSSIA : UA9CBO KALININGRAD : RW2F
UZBEKISTAN : UK8DAN KAZAKHSTAN : UN7AM
UKRAINE : UT7UW ANTIGUA : V26B
BELIZE : V31YN ST.KITTS & NEVIS : V47KP
NAMIBIA : V5/SP7VC CANADA : VE1ZZ
AUSTRALIA : VK6HD ANGUILLA : VP2E
MONTSERRAT : VP2MPA BRITISH VIRGIN ISL. : VP2V/DL7DF
TURKS & CAICOS : VP5/G4RCG BERMUDA : VP9/W6PH
CHAGOS ISL. : VQ9LA HONG KONG : VR2MY
INDIA : VU2WAP MEXICO : XE1KK
BURKINA FASO : XT2OW KAMPUCHEA : XU7ACB
AFGHANISTAN : YA5T INDONESIA : YB5/9V1GO
IRAQ : YI9ZF SYRIA : YK1AO
LATVIA : YL2GUV NICARAGUA : H7DX
ROMANIA : YO5BRZ EL SALVADOR : YS1RR
SERBIA : YU1ZZ VENEZUELA : YV1DIG
AVES ISL. : YX0LIX MACEDONIA : Z32AU
ALBANIA : ZA1B GIBRALTAR : ZB2FK
SOVEREIGN BASES CYPRUS : ZC4DW ST.HELENA : ZD7K
ASCENSION ISL. : ZD8Z NEW ZEALAND : ZL1HY
PARAGUAY : ZP6CW SOUTH AFRICA : ZS6UT

CU in TopBand,  José  CT1EEB

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