[SFDXA] XF4 - Revillagigedo

[Bill]

6 October 2025

For Immediate Release The return to Socorro Island

Next week (October 25) Mark, XE1B, is returning to Revillagigedo for a 
short visit to meet the new base commander and set the conditions for an 
international team with remote capabilities for the future. Access to 
the base is severely restricted and only via a Navy battleship making 
supply runs from Baja, Mexico. The next Navy trip is scheduled for a 23 
October departure from Socorro and a return on the 30^th of October. 
That will allow Mark a 5 day window of operating (it’s a 36 hour trip).

Mark is a 3 time veteran of trips there, having activated XF4 in 1999, 
2011, and 2018. He has a new license for this trip (the callsign will be 
released when he is QRV). He also has permission from the Navy and the 
other two regulatory agencies to visit the island and operate.

This is a self funded trip using Mark’s personal equipment and some 
purchases in the US by N1DG. It will be a low profile, low geographic 
impact operation showing the Commander that a DXpedition can be 
conducted without a major impact on the Island’s mission. Use of remote 
operators via the NCDXF RIB technology will also be discussed. 
Accordingly, do not expect a Mega DXpedition this time. Mark’s intent is 
to make as many ATNO contacts and lower XF4’s rank of 24^th most wanted 
(12^th in Europe) by as much as one operator can do in 5 days.

Mark will bring 4 antennas, 2 radios and one linear covering 80 to 6 
meters. He will operate SSB and FT8 at the same time. There will be No 
automated FT8 QSOs He is unsure of internet availability so there will 
be no streaming online logs. QSL after the operation using Club Log 
only. N1DG will handle the QSL processing. LOTW QSOs will be uploaded as 
OQRS requests are processed. After postage and QSL printing costs, all 
excess proceeds will be donated to the Northern California DX Foundation.

We hope this leads to a larger activation in 2026.

73 De XE1B and N1DG

Dateline DX Association

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