Welcome to RI0FM

Welcome to the Moneron Island DExpedition website

Moneron Island

Moneron Island, (Russian: Монерон, Japanese: 海馬島 Kaibato, Japanese: トド島 Todojima, Ainu: Todomoshiri) is a small island off Sakhalin Island. It is currently administered as a part of Russia.

Moneron has an area of about 30 square kilometres (12 sq mi) and a highest point of 429 metres (1,407 ft). It is approximately 7.2 km (4.5 mi) long (N/S axis) by 5.5 km (3.4 mi) wide, and is located 41 nautical miles (76 km) from Sakhalin's port of Nevelsk and about 30 nautical miles (56 km)[1] directly southwest of Sakhalin Island itself at the northeastern end of the Sea of Japan. It is the only landmass in the whole Tatar Straits. It has no permanent population.

CallSign: RI0FM
DXCC entry: Russia (UA0)
ITU zone: 34
CQ zone: 19
Coordinates: 46.255461 N 141.229864 E
GRID square: QN06pf
IOTA: AS-149
RDA: SL-16
WWFF: RFF-0193
RRA: RR-16-01
WLOTA: 0006
RLHA: 030


17 December 2020 12:00 AM -> The idea to visit the island of Moneron

A small group of radio amateurs R9YU UA3A RN5A decided to visit Moneron Island.

03 March 2021 6:10 PM -> RX3AMI

A well-known beacons activator has joined us Eugene RX3AMI.

10 March 2021 9:45 AM -> Photo video operator, RA9Y and RA3DS.

We were joined by a photo and video operator Pankov Oleg, Contestman Mikhail RA9Y and our good friend Alexander RA3DS.

17 July 2021 6:20 PM ->

Due to the illness of some of the members, the expedition is preliminarily postponed to August.

Equipment & antennas

Bands: 160, 80, 60, 40, 30, 20, 17, 15, 12, 10, 2m, 70cm,
Modes: CW, SSB, FT-8 (F/H mode, WSJT-X 2.3 software)

Antenna 1 - GP 24m DL2KQ for 160m

Antenna 2 - GP 18m DL2KQ for 80m

RADIO 1 - Elecraft K-3 + PA home made 1 KW

RADIO 2 - Elecraft K-3 + PA Ten Tec titan 1 KW



Expedition leader


Head of the radio station


Security Service




shef povar


On-site support

Photo video operator

Off-site support

Plaque's manager