ARRL DXCC ENTITY RE-EVALUATION MEMORANDUM – H40

H40 — TEMOTU PROVINCE
Evaluation Under 1998 ARRL DXCC Rules

I. PURPOSE

This memorandum evaluates whether H40 — Temotu Province qualifies as a separate ARRL DXCC Entity under the 1998 ARRL DXCC Rules, the criteria in force at the time H40 was officially added to the DXCC List.

The evaluation includes:

• Political and administrative status within Solomon Islands
• Geographic separation criteria (1998 island rules)
• Distance and island-group classification
• Prefix recognition and operational identity
• Application of 1998 Political Entity and Geographic Entity tests
• Final determination of qualification

II. BACKGROUND

A. Political & Administrative Status (1998)

In 1998, the Solomon Islands was a unified sovereign nation composed of multiple provinces:

• Guadalcanal
• Malaita
• Western Province
• Isabel
• Central
• Makira–Ulawa
• Choiseul
• Rennell–Bellona
• Temotu Province (formerly Santa Cruz Islands)

Temotu Province includes:

• Nendo (Ndendo)
• Santa Cruz Islands
• Reef Islands
• Duff Islands
• Tikopia, Anuta, Vanikoro, Utupua

Although Temotu was politically subordinate to the Solomon Islands government, DXCC island-group rules (1998) allowed non-sovereign subdivisions to qualify as separate Entities if they formed a distinct remote island group meeting geographic criteria.

B. International Territorial Standing

• Temotu had no independent sovereignty
• Recognized internationally only as a provincial subdivision of the Solomon Islands
• Did not qualify for DXCC Political Entity status

Thus, qualification must occur under Geographic Entity rules, which were updated in 1998 to reorganize island groups worldwide.

C. Telecommunications & Prefix Identity

• H44 was the prefix for the Solomon Islands
• ARRL authorized H40 as the DXCC prefix block for Temotu Province once recognized
• Prefix creation followed established DXCC protocol for designated island Entities

The assignment of H40 reflects ARRL’s DXCC determination—not the political administration’s own division.

D. Geographic Characteristics

Temotu Province is:

• The easternmost province of the Solomon Islands
• A widely dispersed chain of remote islands
• Geographically separated by hundreds of kilometers from the main Solomon group
• Part of the Santa Cruz Islands archipelago—geographically distinct from the rest of Melanesia

Distances (approx.):

• Nendo to Guadalcanal: ~1,060 km
• Reef Islands to Guadalcanal: ~900 km
• Duff Islands to Guadalcanal: ~1,300 km

These distances place Temotu far beyond the 1998 DXCC separation threshold for island groups administered as part of a larger political unit.

III. ANALYSIS UNDER THE 1998 ARRL DXCC RULES

In 1998, the critical path for Temotu qualification was the Geographic Entity Rules for Separate Island Groups.

1. POLITICAL ENTITY CRITERIA (1998) — FAIL

1(a) Sovereign Entity — ❌ FAIL

Temotu is part of Solomon Islands.

1(b) Distinct ITU Prefix Assignment — ❌ FAIL (as Political Entity)

H40 is a DXCC construct; not an ITU sovereign assignment.

1(c) Administrative Autonomy — ❌ FAIL

Provincial, but not politically distinct.

1(d) International Recognition — ❌ FAIL

No independent standing.

Conclusion:
Temotu cannot qualify as a Political Entity under 1998 rules.

2. GEOGRAPHIC ENTITY CRITERIA (1998) — PASS

This is the correct pathway for H40.

1998 DXCC Island Separation Rule

A new Geographic Entity may be created when:

It is naturally above water at high tide, and
It is ≥ 350 km separated from its Parent Entity’s other island groups OR
It belongs to a geographically distinct island group, not sharing the same island chain as the Parent, and
It has no intervening territory belonging to the Parent closer than the island group itself.

Temotu meets all criteria.

2(a) Above High Tide — ✔ PASS

All Temotu islands are substantial inhabited islands.

2(b) Geographic Separation Distance — ✔ PASS

Distances from Temotu to H44’s central islands far exceed the 350 km threshold:
• Nendo–Guadalcanal: ~1,060 km
• Reef–Guadalcanal: ~900 km
• Duff–Guadalcanal: ~1,300 km

2(c) Distinct Island Group — ✔ PASS

Temotu is part of the Santa Cruz Islands, geologically and geographically separate from the rest of the Solomons.

2(d) Administrative Unity Not Required — ✔ PASS

1998 rules explicitly allowed non-sovereign island groups to qualify, if geographically isolated.

2(e) Support for Amateur Radio — ✔ PASS

Regular DXpeditions and established HF operation were possible.

Conclusion:
Temotu fully qualifies as a Geographic Entity under the 1998 rules.

3. SPECIAL-AREA CRITERIA (1998) — NOT APPLICABLE

Temotu is not:

• An Antarctic claim
• A UN Trust Territory
• An international zone
• A special treaty region

4. 1998 ADDITION / DELETION CRITERIA

Addition Requirements (1998)

A Geographic Entity may be added if:

✔ It forms a distinct island group separate from its Parent
✔ It exceeds minimum distance separation
✔ It has no intervening parent territory
✔ It supports amateur operation

Temotu satisfies all four requirements.

Deletion Criteria (1998)

Deletion applies only if:

• A geographic criterion no longer exists, or
• The administrative separation dissolves

Neither has occurred.

V. FINAL DETERMINATION

✅ H40 — TEMOTU PROVINCE qualifies as a separate ARRL DXCC Entity under the 1998 DXCC Rules.

Qualification Basis (1998):

✔ Distinct island group (Santa Cruz chain)
✔ >350 km separation from all other Solomon Islands groups
✔ No intervening parent territory
✔ Meets geographic isolation definition
✔ Supports amateur operation
✔ Matches ARRL 1998 global island-group framework

Conclusion:
Temotu Province satisfies all necessary Geographic Entity criteria, validating its DXCC Entity status beginning 1 January 1998.

VI. SUMMARY TABLE

Rule (1998)	Pass/Fail	Notes
Sovereign Entity	❌	Province of Solomon Islands
Separate Administration	❌	Not politically distinct
International Recognition	❌	No sovereign status
Geographic Distance	✔	900–1,300 km from H44 Parent
Distinct Island Group	✔	Santa Cruz Islands
Above High Tide	✔	Fully inhabited islands
Special-Area Criteria	N/A	Not applicable
Final Status	VALID DXCC ENTITY (1998)	Qualifies purely on Geographic criteria

References

ARRL DXCC Rules, editions in force through 1998
Clinton B. DeSoto, W1CBD, “How to Count Countries Worked, A New DX Scoring System,” QST, October 1935
ARRL DXCC Country Lists and administrative guidance, 1990s
Nautical and geographic charting of the Santa Cruz, Reef, and Duff Islands
DXCC precedent involving geographically remote Pacific island groups administered by a parent state