SKU: 97297077951

Sigma Delta 80 HP

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Description

Sigma Delta 80 HPDe Sigma Euro Comm Delta 80 HP is een veelzijdige volledige golf loop antenne, ontworpen voor optimale prestaties op 40m (7 MHz), 15m (21 MHz) en 10m (28 MHz) zonder antennetuner (ATU), en op andere banden met een ATU. Uitgerust met een 4: 1 balun op het voedingspunt, kan deze antenne direct gevoed worden met 50 Ohm coaxiale kabel. Voor de beste resultaten wordt RG 213 of Mini 8 coax aanbevolen, hoewel andere 50 Ohm coax varianten ook gebruikt kunnen

De Sigma Euro-Comm Delta 80 HP is een veelzijdige volledige golf loop antenne, ontworpen voor optimale prestaties op 40m (7 MHz), 15m (21 MHz) en 10m (28 MHz) zonder antennetuner (ATU), en op andere banden met een ATU. Uitgerust met een 4:1 balun op het voedingspunt, kan deze antenne direct gevoed worden met 50 Ohm coaxiale kabel. Voor de beste resultaten wordt RG-213 of Mini 8 coax aanbevolen, hoewel andere 50 Ohm coax varianten ook gebruikt kunnen worden.

Installatie en gebruik:

De Delta 80 HP wordt compleet geleverd met drie isolatoren voor verankeringspunten. De antenne kan horizontaal worden gemonteerd als een vierkante loop of een gelijkzijdige driehoek, of verticaal of schuin geplaatst worden. Bij horizontale montage is de antenne ideaal voor dichtbij DX of NVIS communicatie. Bij verticale of schuine montage is de antenne geschikt voor langeafstandscommunicatie (DX).

Voordelen van de configuraties:

  • Delta loop:

    • Horizontaal: Goed voor dichtbij DX
    • Verticaal of Schuin: Lage hoekstraling voor langeafstands DX en dichtbij DX vanaf de zijkanten
    • Gain: 3,2 dBd max
  • Quad loop:

    • Horizontaal: Ideaal voor NVIS
    • Verticaal: Gain van 2,8 dBd
    • Schuin (45 graden): Lage hoekstraling voor DX

Hoogwaardige bouw:

De Sigma Euro-Comm Delta 80 HP is gebouwd met niet-kinkend Poly flex weave draad en is ontworpen voor langdurige duurzaamheid en betrouwbaarheid. Deze antenne is perfect voor HF amateurbanden en biedt uitstekende prestaties voor zowel zenden als ontvangen.

Bestel nu de Sigma Euro-Comm Delta 80 HP en ervaar de voordelen van deze krachtige en veelzijdige volledige golf loop antenne, gemaakt voor de meest veeleisende radioamateur

 

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SKU: 97297077951

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4.5 ★★★★★
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Whitebrim24w
Fort Morgan, US
★★★★★ 3
Started off great, but kind of went left.
Format: Kindle
I liked the first few chapters. The introduction of the book have an INCREDIBLE acronym to remember the drug classes. I liked him pointing out stems because they are very helpful, BUT some of the hints and connections could've been better. Also, the book doesn't help memorize the brand/generic name. It only helps remember what drugs go into which drug classes which could be done simply just from knowing your stems. So you're right back at square one trying to remember the brsnd/generic name like you were in the first place.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 17, 2021
B
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Breanna Severin
Fort Morgan, US
★★★★★ 5
Makes memorizing 200 drugs look easy!
Format: Paperback
I really liked this book. I liked how this book broke up into 7 different sections (gastrointestinal, musculoskeletal, respiratory, immune, neuro, cardio, endocrine) this made it easier to understand. I also thought that Guerra did a good job of explaining what other students found helpful in memorizing these drugs, it was something that I could relate to and found this really helpful. I also really liked at the end of the chapter, how the book gave quizzes at the end of each chapter, this really helped me to retain the information and make sure I understood what the drug really was. Overall, this was a great book and I would recommend this book for anyone taking pharmacology. 200 drugs can be difficult to understand but I thought this book did a good job of memorizing the drugs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 16, 2016
Z
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Zenaido Smith
Houston, US
★★★★★ 5
Best pharmacology book ever!
Format: Paperback
I have taken many pharmacology classes, this is the first time I truly understand in a simple way the mechanism of action of medications, kudos to the author for sharing her relax approach to easily learn pharmacology.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 30, 2024
Q
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qd
Cuba, US
★★★★★ 5
Great for explanation of difficult concepts, with review questions each chapter
Format: Paperback
I always thought I could never understand pharmacology, so going through my Acupuncture school, I got though my pharmacology courses by rote memorization and pure luck. Then, in practice, I realize that I do have to understand pharmacology, what with the high use of medication in patients' daily routine. So I was looking for a hood, concised, simple to understand pharmacology review that I can do a quick study/review on my own time. Thankfully, I found the right book. This book is everything I've been looking for and amazingly simple to understand. I love the review questions at the end of each chapter. I wish I had found this book while in school, but for $20, it's really help me understand why my patients are taking certain drugs. It also helps me understand the western deconstruction of the Chinese medicinal herbs. I wish they'd come out with a pharmacy review just for Chinese medicinal herbs and potential contraindications, just for acupuncturists and herbalists. The current available herbal medicine textbooks just pretty much list the herbs and note western research on it, but not much of an explanation. With age, I find that I can no longer just do rote memorization, so understanding the basics really helps me to remember and apply concepts. I use this book in my clinic concurrently with a textbook on Chinese medicinal herbs pharmacological concepts to help me understand. And for that, I give it the five stars it deserves.
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Reviewed in the United States on June 8, 2021
B
Verified Purchase
Brian Geiger
Fort Morgan, US
★★★★★ 5
Good study assist.
Format: Paperback
Great book for a person just getting into medicine. Really good review for those that are just refreshing themselves.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 2, 2025

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