Country snapshots (A–V)
Argentina
Argentina shows a strong VHF/UHF footprint in public directories and sustained HF activity (especially via digital modes), supported by an established national society. 4
- Repeater directory indicator: RepeaterBook lists 68 active repeaters, with 5 updated in the last 6 months (data confidence shown as 29%). 5
- Example activity to look for: Urban FM repeaters plus increasing use of digital voice (DMR/YSF) where maintained by clubs; confirm via local programming files and on-air checks. 5
Bolivia
Bolivia’s public repeater directory footprint appears sparse; however, HF activity is periodically boosted by expeditions and visiting operators, and local clubs remain active.
Use HF digital reporting plus club resources for the most reliable view. 124
- Repeater directory indicator: RepeaterBook’s Bolivia overview shows 0 active repeaters marked on-air (insufficient data for a confidence score). 6
- Directory maintenance signal: A RepeaterBook verification report shows 1 repeater record needing re-verification. 7
Examples
- Local club presence: Radio Club La Paz operates under callsign CP1AA and provides contact details and club information. 8
- HF activity bursts: The expedition-style operation CP7DX (Bolivia) is documented with dates and operational notes (useful as a proxy for HF interest and DX demand). 9
Brazil
Brazil exhibits the largest and most diverse activity footprint in South America, with extensive VHF/UHF repeater coverage and broad adoption of FM and digital voice in many regions, alongside strong HF contest and DX participation. 4
- Repeater directory indicator: RepeaterBook lists 744 repeaters in Brazil. 10
Examples (from RepeaterBook records)
- 145.210 MHz, Belo Horizonte — callsign PY4RPJ, FM. 10
- 145.210 MHz, Brasília — callsign PT2AAS, FM. 10
- 145.230 MHz, Artur Nogueira (SP) — callsign PY2KCA, D-STAR. 10
Chile
Chile shows robust VHF/UHF infrastructure across the length of the country, with FM repeaters and a visible presence of digital voice modes in key cities and high sites. 4
- Repeater directory indicator: RepeaterBook lists 132 repeaters in Chile. 11
Examples (from RepeaterBook records)
- 145.100 MHz, Valparaiso (Cerro Monjas) — CE2VOV, DMR. 11
- 146.640 MHz, Santiago (Radio Club de Chile) — CE3AA, FM/DMR. 11
- 146.610 MHz, La Serena — CE2LS, FM. 11
Colombia
Colombia’s directory footprint reflects active VHF FM coverage around major mountain cities and corridors, with a smaller but notable presence of digital voice and gateway features (e.g., EchoLink) where maintained. 4
- Repeater directory indicator: RepeaterBook lists 36 repeaters in Colombia. 12
Examples (from RepeaterBook records)
- 145.330 MHz, Bogotá (Cerro Granada) — HK3RCC2, FM. 12
- 145.370 MHz, Medellín (Cerro Paramo) — HK4LRM6, FM. 12
- 146.030 MHz, Pereira (Cerro La Cruz) — HK6REC, FM/DMR/EchoLink. 12
Ecuador
Ecuador has an active repeater ecosystem spanning multiple provinces and elevation sites, supporting both local traffic and emergency-oriented coordination in some regions. 4
- Repeater directory indicator: RepeaterBook lists 38 repeaters in Ecuador. 13
Examples (from RepeaterBook records)
- 145.170 MHz, Quito (Cerro Atacazo) — HC1IRC, FM. 13
- 145.190 MHz, Tulcán (Cerro Cuevas) — HC1IRC, FM. 13
- 145.150 MHz, Guayaquil (Cerro Cochabamba) — FM repeater listing. 13
Guyana
Guyana’s visible activity is often characterized by visiting/short-term operations and expedition traffic that attracts strong DX interest, along with local operators.
For near-term situational awareness, treat published DX notices and cluster-type announcements as leading indicators and validate with PSKReporter for digital modes. 124
Examples
- Visiting operation: RSGB reports Aldir (PY1SAD) operating as 8R1TM from Guyana. 15
- Short-term activity notice: DX-World documents 8R1/AG6UT activity from Guyana. 14
- DXpedition-style operations: DX-World also documents 8R7X operations from Guyana. 16
Paraguay
Paraguay shows a modest but active VHF/UHF footprint with both analog FM and digital voice in the capital area and regional centers. 4
- Repeater directory indicator: RepeaterBook lists 15 repeaters in Paraguay. 17
Examples (from RepeaterBook records)
- 144.550 MHz, Luque — ZP6DIG, DMR. 17
- 145.450 MHz, Luque — ZP6ACS, FM. 17
- 434.500 MHz, Ciudad del Este — ZP9USA, FM/EchoLink. 17
Peru
Peru’s public VHF/UHF footprint is smaller in the directory, but shows active infrastructure around Lima and regional cities, including FM and at least one DMR entry. 4
- Repeater directory indicator: RepeaterBook lists 7 repeaters in Peru. 18
Examples (from RepeaterBook records)
- 146.880 MHz, Lima (Repetidora 3) — OA4O, FM/DMR. 18
- 147.360 MHz, Ilo — OA6EFR, FM. 18
- 434.350 MHz, Lima — OA4O, FM. 18
Suriname
Suriname shows periodic international activity (often via visiting operators and “holiday-style” operations), which can meaningfully increase HF visibility for days to weeks.
For verification, use PSKReporter (digital modes) and operator announcements/logs. 124
Examples
- Visiting operator activity: DXNews documents PZ5AV operations from Suriname with bands/modes listed. 19
- Trip report evidence: A detailed trip narrative (WJ2O) documents amateur-radio operations from Suriname and provides a practical activity signal. 20
Uruguay
Uruguay has a well-documented VHF repeater environment with many EchoLink-enabled systems and both analog FM and DMR activity in key population centers. 4
- Repeater directory indicator: RepeaterBook lists 39 repeaters in Uruguay. 21
Examples (from RepeaterBook records)
- 146.610 MHz, Montevideo (Cerro de Montevideo) — CX6BXX, FM/EchoLink. 21
- 146.630 MHz, Solymar — CX5DXX, FM/EchoLink. 21
- 145.500 MHz, Montevideo — CX8CXX, DMR. 21
Venezuela
Venezuela’s public repeater records show continued VHF/UHF presence but with relatively low recent verification in the sampled directory.
For current operational status, validate locally through the national society and on-air monitoring; corroborate HF digital presence with PSKReporter. 24
- Repeater directory indicator: RepeaterBook lists 14 active repeaters, with 2 updated in the last 6 months (data confidence shown as 17%). 22
- National-society resource: Radio Club Venezolano maintains the RadioYV site for information and coordination. 23
Countries not explicitly expanded above (e.g., French Guiana) may have substantial activity, but are territories rather than sovereign states.
This report focuses on sovereign South American countries and uses publicly-indexed indicators; deeper per-country detail typically requires local club rosters and regulator data.