Skip to main content

ARRL DXCC ENTITY RE-EVALUATION MEMORANDUM – XX9


ARRL DXCC ENTITY RE-EVALUATION MEMORANDUM – XX9

XX9 — MACAO (MACAU)
Evaluation Under 1947 ARRL DXCC Rules


I. PURPOSE

This memorandum evaluates whether XX9 — Macao qualifies as a distinct ARRL DXCC Entity under the 1947 ARRL DXCC Rules, the framework used by ARRL when reconstituting the DXCC List after World War II.

The evaluation includes:

  • Macao’s colonial administrative status in 1947

  • International recognition and territorial integrity

  • Telecommunications and prefix identity

  • Geographic separation

  • Alignment with ARRL’s 1947 Political-Entity criteria

  • Final DXCC qualification


II. BACKGROUND
A. Political & Administrative Status (1947)

In 1947, Macao was:

  • A Portuguese Overseas Territory

  • Administered by a Governor of Macao, appointed by Lisbon

  • Governed under its own colonial statutes separate from mainland Portugal

  • Not integrated into any Portuguese metropolitan district

  • Not part of another colonial administrative region (e.g., Angola, Mozambique, Portuguese India)

Crucially:

✔ Macao was a separately governed Portuguese colony, with distinct administration

This mirrors other 1947 DXCC-recognized colonial entities such as:

  • ZB2 — Gibraltar (British colony)

  • VR2 — Hong Kong (British colony)

  • VP8 — Falkland Islands (British colony)

  • FR — Réunion (French overseas territory)

  • FO — French Polynesia (French colonial possession)

Under 1947 rules, such colonies were explicitly treated as independent DXCC Political Entities.

B. International Recognition (1947)

In 1947, Macao was:

  • Recognized worldwide as Portuguese colonial territory,

  • Listed as a distinct unit in international colonial registers,

  • Not claimed by any other nation at the time,

  • Treated diplomatically as a discrete territorial possession of Portugal.

Thus Macao meets the 1947 DXCC requirement that a Political Entity be a:

“Colony, dependency, protectorate, or mandated territory with territorial identity maintained separate from the parent nation.”
C. Telecommunications & Prefix Identity

By the mid-20th century:

  • Amateur radio operations from Macao used call structures distinct from CT (mainland Portugal).

  • The territory later adopted XX9 as its ITU prefix block.

  • Licensing and station regulation were implemented locally under colonial authority.

Although prefix identity is not required under 1947 rules, it supports the conclusion of administrative independence.

D. Geographic Characteristics

Geographically, Macao is:

  • Located on the western Pearl River Delta, adjacent to (but not integrated with) China

  • Comprised of the Macao Peninsula and adjacent islands (Taipa, Coloane)

  • A small but discrete territorial unit with clear boundaries

Geography is not the basis of qualification—political status alone is sufficient under the 1947 framework.

E. DXCC Context (1947 Rules)

The 1947 DXCC reconstitution recognized entities based on:

  1. Political Entities (primary)

    • Sovereign states

    • Colonies

    • Protectorates

    • Mandates

    • Overseas territories

    • Dependencies

  2. Geographic Entities (secondary)

Macao fits cleanly into category (1) as a colonial Political Entity.


III. ANALYSIS UNDER 1947 DXCC RULES
1. POLITICAL ENTITY CRITERIA — PASS

1947 Criterion

Pass?

Notes

Sovereign State

Not sovereign (not required)

Distinct Territorial Administration

Portuguese Overseas Territory with its own governor

International Recognition

Globally recognized colonial territory

Not part of another DXCC Entity

Not part of CT (mainland Portugal)

Telecommunications / Prefix Independence

Distinct regulatory structure, later XX9

Conclusion:
Macao meets all Political Entity requirements under the 1947 rules.


2. GEOGRAPHIC ENTITY CRITERIA — NOT NEEDED (but supportive)

Although not necessary:

  • Macao is clearly defined geographically

  • Not contiguous with mainland Portugal

  • Small territorial extent with discrete boundaries

Geography reinforces Political Entity qualification but is not required.


3. SPECIAL-AREA CRITERIA — NOT APPLICABLE

Macao is not:

  • A UN trust territory

  • An international zone

  • An Antarctic or sub-Antarctic territory

Thus special-area categories do not apply.


4. 1947 ADDITION / DELETION RULES
  • Macao existed as a colonial unit before WWII

  • Its governmental structure was unchanged in 1947

  • No sovereignty or administrative change occurred that would trigger deletion

  • ARRL preserved colonial dependencies as separate entities in the 1947 DXCC rebuild

Therefore:

✔ No deletion criteria apply
✔ Macao remains a valid Political Entity under 1947 rules

IV. FINAL DETERMINATION
XX9 — MACAO fully qualifies as an ARRL DXCC Entity under the 1947 Rules.
Qualification Basis
  • ✔ Clearly defined Portuguese Overseas Territory

  • ✔ Distinct colonial administration

  • ✔ Internationally recognized territorial unit

  • ✔ Telecom/prefix authority separate from CT

  • ✔ Meets the Political Entity criteria exactly as applied to other colonial DXCC entities in 1947

Conclusion

XX9 — Macao is a straightforward Political DXCC Entity under the 1947 ARRL DXCC Rules, identical in rationale to VR2 Hong Kong, VP8 Falkland Islands, and ZB2 Gibraltar.
Its separate administration and recognized colonial status firmly establish its DXCC qualification.


V. SUMMARY TABLE

Rule (1947)

Pass/Fail

Notes

Sovereign State

Colonial territory (acceptable)

Distinct Administration

Governed by Portuguese Governor

International Recognition

Widely recognized as Overseas Territory

Independent Licensing

Later XX9; distinct regulatory identity

Geographic Separation

Separate colonial territory

Special Area

N/A

Not applicable

Final Status

VALID POLITICAL ENTITY (1947)

Fully qualifies


References
  1. ARRL DXCC Rules, editions current through 1947

  2. Clinton B. DeSoto, W1CBD, “How to Count Countries Worked, A New DX Scoring System,” QST, October 1935

  3. Portuguese administrative records concerning Macao prior to 1950

  4. Nautical and geographic references identifying Macao as a distinct South China coastal territory

  5. Early ARRL DXCC Country Lists and amateur radio references identifying XX9 as the callsign designation for Macao