I/AA-184 – Weißhorn/ Corno Bianco– 2317m

Abstract

May 31, 2018; 9:30 – 9:55 UTC

6 CW QSOs on 20m, 2 CW QSOs on 30m, 8 CW QSOs on 40m
Good condx with some QSB, confusion on 40m

Rig: MTR3B / 3W, 1250mAh LiPo, Palm Pico Paddle
Ant: EFHW Dipole as inverted L on 6m GRP Pole

Wx: Overcast (fog on top), approx. 5°C
Walking time approx. 60 min. up, 30 min. down. Easy and well prepared track. Only the last metres are secured with a fixed rope.

How to get there?
From Cavalese to Lavezèjoch and further to Jochgrimm (Passo Oclini, 1989m asl) by car. From there in approx. one hour to the summit.

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DL/AL-077 – Grosser Daumen – 2280m

Abstract

May 25, 2018; 10:45 – 11:10 UTC

My 2nd activation of DL/AL-077
1 CW QSO on 20m, 3 CW QSOs on 40m
Condx ok but only four random QSOs because RBNhole didn’t spot me on SOTAwatch.

Rig: MTR3B / 3W, 1250mAh LiPo, Palm Pico Paddle
Ant: EFHW Dipole as inverted L on 6m GRP Pole

Wx: Sunny (first, later overcast), approx. 5°C
Walking time approx. 3 hrs. up, 3 hrs. down (via „Kleiner Daumen“). Tough conditions due to deep snow.

How to get there?
From Hinterstein (car park) to Giebelhaus by Bus. From there in approx. 1 hour to Schwarzenberghuette (1380m asl).
Follow the signposts to Engeratsgundsee, Laufbichlsee and Großer Daumen (approx. 3 hrs.)

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Transatlantic S2S Party from DM/BW-099 – Achalm – 707m

Abstract:

April 21, 2018: 16:45 – 18:15 UTC

Rig: KX3 / 10W, Panasonic 7.2 Ah AGM- battery, Palm Pico Paddle
Ant: End Fed Half Wave Dipole (with quarter wave matching stub) on 10m GRP pole

11 CW QSOs on 20m – 4 S2S

DX worked: VE1WT, W4KRN
DX S2S worked: VE2DDZ, KQ2RP, N0MAP (hrd only)

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DM/BW-852 – Herrenwald – 910m

Abstract

April 2, 2018  12:00 – 13:30 UTC
Sunny, approx. 10°C, few clouds
Walking time 20 min. up, 15 min. down

Rig: KX3 / 10W, 2200mAh LiPo, Palm Pico Paddle
Ant: End Fed Half Wave Dipole with Traps (40m – 30m – 20m) on a 8m wooden tower

4 CW QSOs on 20m, 3 CW QSOs on 30m, 40 CW QSOs on 40m, 5 CW QSOs on 60m

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Delta Loop for the 20m band

A delta loop antenna is not particularly suitable for SOTA. It requires much more space than a vertical and the set-up is more complicated.
Nevertheless I’d like to show this design here because sometimes space (and weight) don’t matter and a low take off angle is welcome. One possible scenario could be the VK/ZL/JA <> EU S2S event.

loop1
Delta Loop on HB0/Li-004, Augstenberg, 2359m a.s.l. during our DX-pedition to the Principality of Liechtenstein in September 2013. DL4AAE worked many JA’s on 20m with 100 Watts output power.  Note: the horizontal wire has been attached to the pole in order to avoid sagging.

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EFHW- Dipole with Traps

While searching for an alternative to my Linked- Dipole I tripped over the posting of Pedro, CT1DBS, illustrating an end-fed half-wave (EFHW)- Dipole with Traps. Here is the Link to his article. With this design changing bands can be done in no time thaks to the traps. Lowering or modifying the antenna is no longer necessary.

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