SZ1A SZ1A is a Ham Radio Contest station in Redforest near Agrinio in West Greece. When we say everyone, we mean it! Some non Greeks also. What we need?

The Project

After 1994 when we run our first CQ contest we had the same dream: to build a big contest station. Our dream started to become a reality in 2009 when our city's authorities gave us an old abandoned school in Red Forest, a small village 20km (12 miles) far from Agrinio. So we started to build towers, antennas and all these we need to be competitive in contests. Our thought was and cont

inues to be to offer this station to everyone to operate free of charge and promote amateur radio and contesting. Until now many amateurs from all Greek cities have come and operate from SZ1A. We don't look the best operators. We are widely open to everyone! We made a lot and we need to do more. We continue to work almost every weekend on this project: to improve the station. Maybe you can help us, and why not to be the next operator! Continiue reading to learn how....

The story...

From the early days some of our members were very active in contests. Back in 1994 we participated in our first CQ WW SSB as a club in the M/S category using the club's call SV1AFA (Our call has changed after 2004 to SZ1A). We were first SV and this gave us a lot of pleasure!! This first participation created a tradition. So our club has become the most active club in Greece in HF contests. Our dream was to create a contest station. The most of the people in Greece, usually live in small condos and small properties in general. Just a very few Greek radio amateurs have the space for big antennas and towers. There are many clubs that have a small HF station (we have also an HF station in our office), but a big station (by Greek standards) was an unfulfilled dream. Our Club wanted to fill the gap and we would like to offer to every Greek and Foreign ham who wants to operate a contest, a station to make this possible. This dream started to be a reality for us, in November of 2009. Back then we found the place to host us, an old abandoned school in a place called Red Forest about 20 km North of Agrinio. We started to repair the building and we raised our first tower 18m (60 ft) high in October of 2010. Our first participation in a contest from Red Forest in ARRL CW some months later at 2011, just for some hours. This is an ongoing project during last years. We try to build a competitive station, the first of this kind in Greece. Our willing and our try is to offer this station to everyone to operate free of charge. Unfortunately because of the financial crisis in Greece, is really difficult to collect the necessary funds to make our dreams a reallity as quick as we want. In any case the station is quite good at this moment and we have managed very good scores. Many Greek hams come and operate the station in several contests running either with the call SZ1A either with their personal call. In November 2015, we enjoyed the visit by Don G3XTT who is the Editor of Practical Wireless magazine. We expect to have more and more guest operators in the near future and why not you? In any case, you are invited to come and operate from our station as everyone else. Please spread out this info to anyone is interesting. Send an email to sz1a at qsl dot net if you are interesting to visit us. The station has already grown up a lot and our willing is to improve it every day...
Watch this video about the station (filmed by SV1JMO). Equipment

With a lot of offers from our members and other radio amaterus, we have right now three stations working together and two more in progress to complete them. Rigs
Kenwood 850 SAT
Yaesu ft1000 MKV (JH1AJT's offer)
Yaesu ft1000 MKV field (this belongs to SV1CIB)
Yaesu ft1000 MKV (DD2CW's offer)
Yaesu ft990 (SV1DPJ's offer)

Amplifiers
Icom PW1 amplifier (Multiplier)
OM Power 2000 HF (Run1)
OM Power 2000 HF (Mult1)

Antennas
EF14ARC - 4el for 20m (YU7EF design)
EF154A1LX - 4el for 15m (YU7EF design-SV1BDO's offer)
EF106C - 6el for 10m (YU7EF design)
Dipole for 80m
Dipole for 160m
Cushcraft 40-2cd (40m)
Cushcraft R7 (10,12,15,17,20,30,40m) (SV1DPJ offer)
Cushcraft A3S (10,15,20,40) (SV2FWV offer) - inband
Prosistel vertical (10-80m) (I7PHH offer)
5 beverages 185-320m to USA, JA, Indian Ocean, Africa, Carribean

Accomodation
We can host 12-17 operators in the station at this moment. There are a bedroom, kitchen (electric cooker, refrigerator, freezer, coffee machine, dishwasher, etc.), barbecue, living room and bathroom in the station's building. All free of charge... except food (hi hi). Usually many of our members visit the station during contest's weekend and we organize dinners with food and drink. We are doing our best to make your stay here memorable but don't expect something very comfortable. Just like army :)

Invitation
Everyone, Greek or foreign amateur is welcome to come in Agrinio, to visit us and operate the SZ1A station. You need to be a member to enjoy all facilities but if you carry your own radio equipment, you can use the station antennas and accomodation for free, even you are not a member. If you are not a member you can apply for this: it's just 25 euros per year. But it's completely free if you participate in a multi operators team with us. If you need to learn station's schedule or any other help about SZ1A, please send an email to sz1a at qsl dot net

How you can help us
If you have found this project interesting (bulding a station and offering this to radio amateurs worldwide free of charge), get in contact (sz1a at qsl dot net) and help us. We need ideas, your hands and experience, used equipment, money, everything. Especially the last time, with the financial crisis in Greece, is very difficult to find the funds we need to see our dream to become a reality. Maybe we can do this easier "with little help of our friends"...

๐Ÿ“ก SX9G is almost fully QRV from Gavdos Island โ€“ EU-187! ๐Ÿ‡ฌ๐Ÿ‡ท๐ŸŒThe international team is now on-site and setting up antennas...
24/07/2025

๐Ÿ“ก SX9G is almost fully QRV from Gavdos Island โ€“ EU-187! ๐Ÿ‡ฌ๐Ÿ‡ท๐ŸŒ

The international team is now on-site and setting up antennas under a scorching 40ยฐC sun! ๐Ÿฅต

๐Ÿ—๏ธ One Spiderbeam and one Vertical are already up, and the rest of the equipment is being steadily deployed under challenging conditions.

Hereโ€™s what theyโ€™ll be running:
๐Ÿ”ธ Radios: IC-7300, FTDX10 & TS-590
๐Ÿ”ธ Amps: 3x Linear Amplifiers
๐Ÿ”ธ Antennas:
โ€ข 5-band Spiderbeam
โ€ข 3-band Spiderbeam
โ€ข 18m vertical for low bands
โ€ข 12m multiband vertical
โ€ข 5-element 6m Yagi
๐Ÿ”ธ Modes: SSB, CW & RTTY

โณ The team plans to be fully QRV tomorrow on all HF bands - just in time for the IOTA Contest this weekend! ๐ŸŽฏ

๐Ÿ‘€ Keep an eye on the cluster and try to log SX9G!

๐Ÿ“ฎ QSL via ON3UN

๐Ÿ“ข Stay tuned for more updates and photos from the expedition team throughout the activation!

๐ŸŒŒ Calling All Radio Amateurs! This is SX17ASTRO! The stars are aligning - and so are the frequencies!๐ŸŽ™๏ธ SX17ASTRO will b...
22/07/2025

๐ŸŒŒ Calling All Radio Amateurs! This is SX17ASTRO!
The stars are aligning - and so are the frequencies!

๐ŸŽ™๏ธ SX17ASTRO will be on the air from July 25 to August 8, 2025, celebrating the 17th National Amateur Astronomy Camp (ฮ .ฮ•.ฮ•.ฮ‘.) at the stunning mountain plateau of Drymonas, Thermo ๐ŸŒฒโœจ

๐Ÿ”ญ Join the celebration of science, nature, and our shared love for the cosmos - over the airwaves and under the stars. Operated by SZ1A, this special event station invites hams from around the world to make contact and collect beautiful commemorative awards:

๐Ÿฅ‰ Bronze โ€“ 3 bands
๐Ÿฅˆ Silver โ€“ 4 bands
๐Ÿฅ‡ Gold โ€“ 5 bands
๐Ÿ’Ž Diamond โ€“ 6 bands

๐Ÿ’ก This is more than just another callsign โ€” it's your chance to be part of an event that brings together the amateur radio and astronomy communities in a magical setting at 1,200m altitude, under some of the darkest skies in Greece.

๐Ÿ“ก Work us on as many bands as you can and claim your award!
๐Ÿ“ฌ Details & contact form here:
๐Ÿ‘‰ https://sz1a.org/en/news-announcements/sx17astro-on-the-air-for-the-17th-national-amateur-astronomy-camp/

Letโ€™s make SX17ASTRO shine on every band! โœจ

We are pleased to announce that the special callsign SX17ASTRO will be active from Friday, July 25th to Friday, August 8th, 2025, in celebration of the 17th National Amateur Astronomy Camp (ฮ .ฮ•.ฮ•.ฮ‘.), which will take [โ€ฆ]

๐ŸŽ‰ The long-awaited Messi & Paoloni - Coaxial Cables connectors have finally arrived - and we received them with exciteme...
20/07/2025

๐ŸŽ‰ The long-awaited Messi & Paoloni - Coaxial Cables connectors have finally arrived - and we received them with excitement! (like a QSL from a rare DXpedition!)

This shipment includes high-quality materials to upgrade and optimize the RF infrastructure of our contest station SZ1A.

๐Ÿ“ฆ Contents:

๐Ÿ”น 30x male PL connectors for RG-400 (5mm) (enough for 15 jumpers)
๐Ÿ”น 8x male PL connectors for RG-213 (10.3mm) โ€” for the large patch cables between amplifiers and switches
๐Ÿ”น 6x female PL (SO239) connectors for RG-400 โ€” for building chokes on linears and lightning protectors
๐Ÿ”น 6x PL barrel adapters (female-to-female)
๐Ÿ”น 2x PL barrel adapters (male-to-male)
๐Ÿ”น 2x special heat sinks for male PL on RG-213 โ€” for linear amplifier connections
๐Ÿ”น 4x tubes of M&Pโ€™s high-grade flux paste โ€” for clean, strong soldering (no cleaning required)
๐Ÿ”น 1x M&P precision cutter for coaxial cables

๐Ÿ™ All of this was made possible thanks to a generous donation by Andreas Georgakopoulos - SV1DKD, whom we warmly thank for his invaluable support of our station!

๐Ÿ™ We also sincerely thank FreeBytes for their support, excellent service during the entire ordering process, and for offering us a special discounted price for SZ1A.

๐Ÿ” Comments & Impressions:

โœ”๏ธ The male PL connectors from M&P are simply outstanding - heavy-duty and top-quality. They clearly outperform Amphenol, which is considered the industry standard for quality connectors.

โœ”๏ธ The female SO239 connectors are also excellent and include two center pins: one for 5mm cable and one for 5.4mm.

๐Ÿ“ก We continue upgrading our infrastructure with one goal in mind: top performance in contests!

๐Ÿ“ก DXpedition Announcement: SX9G โ€“ Gavdos Island, EU-187 ๐Ÿ‡ฌ๐Ÿ‡ท๐ŸŒFrom July 24โ€“29, a multinational team of experienced hams (mo...
15/07/2025

๐Ÿ“ก DXpedition Announcement: SX9G โ€“ Gavdos Island, EU-187 ๐Ÿ‡ฌ๐Ÿ‡ท๐ŸŒ

From July 24โ€“29, a multinational team of experienced hams (most members of Team SZ1A) will activate Gavdos Island, the southernmost point of Europe, for the IOTA Contest 2025 using the special callsign SX9G!

This is a rare chance to log EU-187, one of the most sought-after island groups in the IOTA program.

๐Ÿ“… Activation: July 24โ€“29
๐Ÿ๏ธ Contest: IOTA 2025 (July 26โ€“27)
๐Ÿ” QSL via ON3UN & Club Log OQRS

Read all about the team, the island, and QSL details ๐Ÿ‘‡
๐Ÿ”— https://sz1a.org/en/news-announcements/sx9g-gavdos-island-eu-187-an-international-amateur-radio-dxpedition/

Stay tuned โ€” and good luck in the pileups!

From July 24 to 29, 2025, a multinational team of amateur radio operators will activate Gavdos Island using the special callsign SX9G, participating in the global IOTA (Islands On The Air) contest during the weekend [โ€ฆ]

Tower Re(s)urrection at SZ1AAfter two months of hard work, our 4-element 20M Yagi is finally back where it belongs โ€” pro...
10/07/2025

Tower Re(s)urrection at SZ1A

After two months of hard work, our 4-element 20M Yagi is finally back where it belongs โ€” proudly mounted on a fully upgraded 21-meter tower. ๐Ÿ’ช

Read the story, meet the crew, and find out who got volunteered to climb 21 meters in the air. ๐Ÿ˜…

Because at SZ1A, we donโ€™t just lift antennas โ€” we lift each other, too.

Our beloved 4-element monobander Yagi for the 20-meter band had been taken down temporarily to make room for the installation of our new 21-meter tower, and for a thorough technical inspection and servicing. With the [โ€ฆ]

In this in-depth and highly informative article, our dear colleague Constantine Panagiotopoulos (Kostas) โ€“ SV1AER explor...
05/07/2025

In this in-depth and highly informative article, our dear colleague Constantine Panagiotopoulos (Kostas) โ€“ SV1AER explores two of the most fundamental performance parameters in NBFM receivers: Selectivity and Sensitivity.

๐Ÿ” What do these terms really mean?
๐Ÿ“ How are they measured in practice?
๐ŸŽฏ Why are they critical when evaluating receiver performance, especially in noisy or spectrum-congested environments?

Kostas explains it all with clarity and technical precision, including practical measurement procedures, standard references (CEPT/ERC, IEC), and real-world evaluation tips.

๐Ÿ‘ Thank you SV1AER for sharing your deep knowledge with the SZ1A community!

Selectivity and Sensitivity in NBFM Receivers: Fundamental Performance Parameters In the context of wireless communications, the quality and performance of a receiver are crucial factors that determine the reliability and efficiency of a system. In [โ€ฆ]

Dreaming of DX but short on space? Discover the Caged Hen-Delta antenna โ€” a compact, broad-banded design that delivers p...
09/06/2025

Dreaming of DX but short on space? Discover the Caged Hen-Delta antenna โ€” a compact, broad-banded design that delivers powerful HF performance with a small footprint.

Learn more about it in this fascinating article by John G. Hackett โ€“ AE0EN.

Discover the Caged Hen-Delta antenna: a compact, low-profile loop that delivers surprising DX performance. Learn how to build, tune, and operate this innovative, stealth-friendly antenna with ease.

WPX CW 2025 โ€“ SZ1A โ€“ Multi-TwoWe pulled off a full Multi-Two entry with just six operators and made it count.SV1DPJ, SV1...
27/05/2025

WPX CW 2025 โ€“ SZ1A โ€“ Multi-Two

We pulled off a full Multi-Two entry with just six operators and made it count.

SV1DPJ, SV1BJW, G0PZA, SV1CDN, SV1DKD, and SV1CIB held the line across all shifts, proving once again that itโ€™s not just about numbers โ€“ itโ€™s about teamwork.

Behind them stood our incredible support crew: SV1CQK, SV1CQG, SV1BDO, SV1HKH, SV1TBW, SV1TIQ, SV1RRX, and SV1RLC - whose help, logistical support and operational assistance kept everything running smoothly throughout the weekend.

The 20M monobander shined at its new 21-meter height, delivering excellent performance when it mattered most.

Beyond the pileups, this weekend was also a live-fire test of our new full station setup: Everything was pushed to the limit and held up, while some new issues and further areas of optimization were identified.

Big thanks to everyone who worked us on the air, and to those who dropped by the station ๐Ÿ™Œ

๐Ÿ“Š Full results and stats here:
๐Ÿ‘‰ https://www.qsl.net/sz1a/sh5/2025/2025_cq-wpx-cw_sz1a/index.htm

CQ WPX CW 2025: Itโ€™s ON this weekend!Team SZ1A is back on the air for the CW leg of CQ WPX 2025 and weโ€™re ready to make ...
22/05/2025

CQ WPX CW 2025: Itโ€™s ON this weekend!

Team SZ1A is back on the air for the CW leg of CQ WPX 2025 and weโ€™re ready to make some serious noise on the bands. After two months of hard work and critical infrastructure upgrades, including a full rebuild and height extension of our 20M monobander tower, weโ€™re entering the contest stronger than ever.

๐Ÿ“ก Check out the full story, photos, and whatโ€™s new this year at the Redforest Contest Station:

๐Ÿ‘‰ https://sz1a.org/en/news-announcements/cq-wpx-cw-2025-this-weekend/

Good luck to all teams, single ops, and stations participating!
See you in the log or in person.

73 de SZ1A

CQ WPX CW 2025: The CW Challenge is THIS WEEKEND! The CQ WPX CW Contest is one of the most anticipated events in the amateur radio calendar, attracting thousands of operators from around the globe. [โ€ฆ]

๐Ÿ“ก A Record-Breaking Weekend at SZ1A! We proudly present our full recap from the CQ WPX SSB Contest 2025 โ€“ a weekend of a...
19/04/2025

๐Ÿ“ก A Record-Breaking Weekend at SZ1A! We proudly present our full recap from the CQ WPX SSB Contest 2025 โ€“ a weekend of antennas, pileups, teamwork, and new station records!
Beyond the QSOs, this was also a celebration of camaraderie, good food, and the passion that defines contesting at SZ1A.

๐ŸŽฏ New personal best score submitted
๐Ÿค Incredible teamwork from operators & support crew
๐Ÿ“ธ Photo gallery & full story inside

๐Ÿ”— Read the full article here: https://sz1a.org/en/news-announcements/cq-wpx-ssb-contest-2025-a-record-breaking-weekend-at-sz1a/

On the last weekend of March, March 29โ€“30, 2025, SZ1A once again participated in the CQ WPX SSB Contest, and this time we made history. With a better score than any previous year, our team [โ€ฆ]

๐Ÿ“ก To propagation we say YES! (of amateur radio, of course!)On Thursday, March 27, SZ1A visited the 1st Primary School of...
19/04/2025

๐Ÿ“ก To propagation we say YES! (of amateur radio, of course!)

On Thursday, March 27, SZ1A visited the 1st Primary School of Agios Konstantinos in Agrinio to introduce young students to amateur radio and volunteerism!

Slides, videos, handheld radios, and a live contact with SV1UK made the experience unforgettable for everyone involved!

๐Ÿ“– Read the full article here:
๐Ÿ‘‰ https://sz1a.org/en/news-announcements/to-propagation-we-say-yes-of-amateur-radio-of-course/

๐Ÿ“ฅ Download the presentation we used in class:
๐Ÿ‘‰https://sz1a.org/wp-content/uploads/2025/04/Ham_Radio_Intro_GR-%CF%83%CF%87%CE%BF%CE%BB%CE%B5%CE%AF%CE%BF_ver2025_NO-BINTEO.pdf

As part of our volunteer outreach activities, our club was invited on Thursday, March 27, to the 1st Primary School of Agios Konstantinos in Agrinio. The topic of the presentation was volunteerism and amateur radio, [โ€ฆ]

๐Ÿ”ง Another Big Upgrade at SZ1A! On March 9, our team gathered to install a new 21-meter full-size vertical antenna for th...
18/04/2025

๐Ÿ”ง Another Big Upgrade at SZ1A! On March 9, our team gathered to install a new 21-meter full-size vertical antenna for the 80M band - a generous donation from Gianni Capitanio (I7PHH).

With teamwork, planning, and some serious tools, the antenna went up flawlessly. Another piece added to the puzzle that makes SZ1A a world-class contest station!

๐Ÿ“ก Read the full post and see who helped bring it to life:
๐Ÿ‘‰ https://sz1a.org/en/news-announcements/installation-of-the-80m-band-full-size-vertical-a-donation-from-i7phh/

On Sunday, March 9, following an announcement to our members, a new full-size vertical antenna for the 80-meter band was installed at SZ1A, generously donated by fellow amateur radio operator Gianni (I7PHH). Many dedicated members [โ€ฆ]

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Sunday 09:00 - 19:00

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