[INFO] by Elvira, IV3FSG. It’s official: the next DXpedition will be from Roume Island (IOTA AF-051), the legendary “Treasure Island” of West Africa! I’ll be on air from April 11 to 25, 2026 on HF (80–10m) and 6m, operating SSB, CW, and FT8/4/2. Roume Island is highly requested – don’t miss the chance to make […]
Author: NA4DA
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IP400 Project Marks Halfway Point
The following is a compilation of updates from ADRCS regarding the IP400 Project.
[The IP400 Project has reached the halfway point], the hardware development is complete, as well as the research phases for proof of concept. We are now at the point where we will be doing limited production runs for the various hardware components, and the rest of the development effort from here on it will be mostly in firmware and FPGA development.
The outputs from the development effort are many and varied, there will be a new outdoor 400MHz node with an integrated power amplifier, an AllstarLink upgrade to add OFDM data modes to existing repeater systems, as well as an OFDM TNC for standalone use, all nodes supporting high speed data as well as an AX.25 compatible KISS mode.
The project development continues on three fronts:
- Node Hardware
- Firmware
- New Modes
Node Hardware
The mini-node has been revised to add a POE ethernet adapter, making it now a three board stack instead of two. The 5W power amplifier has been designed, pre-production units will be available soon. The supernode prototype has been built, and the design for the production version and TNC OEM board is complete. Both are pending prototype builds.Firmware
The unified firmware platform is in development, and pending successful testing, will be released for beta testing with Mode A only on the WL33 platforms shortly.New Modes
Development of Mode B is ongoing and is looking very promising. Mode C will be available later this year.Source: ADRCS
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V5/N7XOB – Namibia
Travelling around Namibia for a month (mid-May to mid-June) look for Eric, V5/N7XOB to be active from various locations and grids using SSB (check 14.265 and 7.165). QSL via LoTW.
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FO/F6BCW – French Polynesia
[UPDATE] – Didier, F6BCW is currently active from Tikehau Atoll, Tuamotu, French Polynesia as FO/F6BCW. He will stay there until April 10th, then again from early May to mid-July. QRV on 80-6m; CW, SSB; amplifier, VDA and vertical antennas. QSL via LoTW. IOTA: OC-066. A reminder that Didier is part of the TX9W who will […]
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Cat Pix on the Air CPOTA 2026
Cat Pix on the Air (CPOTA) 2026 will celebrate International Cat Day by transmitting images of cats via SSTV.
The internet was made for sharing funny cat pictures and movies. On August 8th, International cat day, so will the radio waves! Ham radio amateurs will celebrate this day with a special SSTV event using cat pictures only.
This contest will score the number of QSOs made by each operator. Special callsigns PD6MEOW (Netherlands) and N1C (US) are already registered. Additional special callsigns may be registered with the event.
Source: CPOTA
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8Q7QR – Maldives
Yosuke, JJ1DQR (of DX-World Japan) let’s us know that he will be active from Male, Maldives as 8Q7QR during May 28 to June 1, 2026. QRV holiday-style; 160-6m. Participation in the CQ WPX CW contest. QSL via H/c (direct or buro).
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ARRL Solar Update
Solar activity was at low levels with seven numbered active regions
on the disk.
The largest event of the period was a C3.7 flare on March 25 from
Region 4400. Region 4403, which was numbered last period, is the
suspected source of several flares observed beyond the limb prior to
its rotation onto the disk. Due to its proximity to the northeast
limb, foreshortening continues to prevent a definitive
c…
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JD1BMH – Ogasawara
Harry, JG7PSJ informs DX-World that he will again be active as JD1BMH from Ogasawara between April 26 to May 4, 2026. QRV on 40-10m CW, SSB & RTTY. Updates on “X” and JD1BMH webpage. Soundbite / recording from previous activity.
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H44LM – Solomon Islands
Team consisting 9A2NA, 9A3MR, 9A3CJY, 9A4WY, 9A7Y and DK8ZZ/YT3ZZ will be active from Guadalcanal (Honiara) Solomon Islands OC-047 as H44LM between October 9-21, 2026. QRV on HF bands and possibly 6m. Full details to follow here on DX-World. NOTE: Most of the above team were last active as TX9A from the Austral Islands in April […]
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TK5SI – Sanguinaires Island, EU-104 – Corsica
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